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IIT JAM CHEMISTRY 

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“CheMistry is the Power source of Everything in daily Life”  


      This Channel is dedicated for all IIT JEE, UG NEET, BHU, AMU, IIT JAM, UGC/CSIR NET, SET, GATE Chemistry Aspirants. The contents is highly beneficial for other competitive examination like TIFR, DRDO, BARC, ONGC, NTPC and so on. 


      The study of Chemistry can be organized into 5 main branches: organic chemistry, inorganic chemistry, physical chemistry, analytical chemistry, and biochemistry, 

       And a lot of branches are thre like Medicinal Chemistry, Pharmaceutical Chemistry, Supramolecular Chemistry, Environmental chemistry, Geochemistry, Astrochemistry, quantum chemistry, stereochemistry, chemical chemistry, bioinorganic chemistry, neurochemistry and so on.


      The purpose of this Channel is to deliver concepts of different areas of Chemistry.

      So, don't forget to Follow and Support us so that you'll get latest tutorial videos, QnA, MCQ, and notification whenever I'll upload a video or everything based on chemistry.

     

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 Reference books  (all collection)   πŸ‘‡πŸ‘‡

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πŸ‘‰πŸ‘‰ PDF Books for IIT JAM, CSIR-NET, GATE CHEMISTRY πŸ‘ˆπŸ‘ˆ


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1) Organic spectroscopy written by PS Kalsi :-πŸ‘‰ Click Here

2) Organic Chemistry written by Clayden, 2nd edition:-  πŸ‘‰ Click Here

3. Organometallics chemistry by BD Gupta:-πŸ‘‰ Click Here

4. Organic name reaction by Jie jack lie:- πŸ‘‰ Click Here



5)  All PDF books for UGC/CSIR NET, GATE, BARC, IIT-JAM Chemistry with review :- 

πŸ‘‰πŸ‘‰ Click Here πŸ‘ˆπŸ‘ˆ

(including Organic, inorganic, physical, analytical, Biochemistry, etc.)

#Reference_books_for_CSIR_NET_GATE & BSc, MSc, Research Scholar ( all in one collection) 


Organic Chemistry:-- 


1. Clayden
2. Loudon
3. Jerry March
4. I. L. Finar
5. Caruthers (synthesis & reagents)
6. Pavia (spectroscopy)
7. Kalsi (spectroscopy)
8. Nasipuri (stereo chemistry)
9. S. N. Sanyal (name reaction)


Inorganic Chemistry:- 

1. Huheey
2. Shriver, Atkins
3. J. D. Lee
4. Crabtree (organometallics)
5. A. K. Das 
6. Ajay Kumar (coordination CheMistry)
7. B.D. Gupta ( Organometallics)


Physical Chemistry:-


1. Puri, Sharma, Pathania 
2. McQuarrie
3. Glasstone
3. Levine 
4. K. L. Kapoor
5. Atkins




Topic wise Complete Playlists :πŸ‘‡πŸ‘‡

🎦 Reagents Chemistry :- πŸ‘‰πŸ‘‰ Click Here
🎦  Name Reaction:- πŸ‘‰πŸ‘‰ Click Here
🎦  Rearrangement Chemistry:- πŸ‘‰πŸ‘‰ Click Here
🎦 Aromaticity :-  πŸ‘‰πŸ‘‰ Click Here
🎦 Animation CheMistry :- πŸ‘‰πŸ‘‰ Click Here
🎦JAM Chemistry:- πŸ‘‰πŸ‘‰ Click Here
🎦 UGC CSIR NET:- πŸ‘‰πŸ‘‰ Click Here

🎦 Solution (Previous Year Exam) :- πŸ‘‰πŸ‘‰ Click Here
🎦 StereoChemistry :- πŸ‘‰πŸ‘‰ Click Here


*Problem with solution for competitive examination for IIT JAM, UGC/CSIR NET, JRF/LS, GATE, BARC, NTPC, DRDO, etc 

1. UPKAR'S CSIR-UGC NET/JRF/SET
                  Chemical Science  
2. arihant UGC CSIR NET/SET (JRF/LS)
                   CHEMICAL SCIENCE 
3. arihant GATE CHEMISTRY 
4. arihant IIT JAM CHEMISTRY 
5. JAM Chemistry SAMVEDNA PUBLICATION  
6. Chemical Sciences CSIR- NET & GATE Topicwise Complete Solution
by Himalaya Publishing House  


     Q.  How can i crack iit jam ?

           > yes, every students clear the iit jam exam if they prepared well. the cuff off for iit jam is not so high. you need only 30 marks to clear the examination. if you prepared with a strategy plan then you will crack the examination. 
            >   you can qualify in IIT JAM Exam with a good rank without joining any coaching institute. All you need is implementing some strategies and plans in you JAM Exam preparation. Firstly, know about the syllabus and exam pattern for IIT JAM Chemistry papers. Solve IIT JAM Question Papers as much as you can.  


    Q. is gate examination tough to crack ?
         >  Every examination will be tough for you if you do not practice for it and study without focus. Toughness of any examination depends on the preparation done. Keeping the concepts right will help you in scoring high in the GATE examination.

      Q. How can i prepare for UGC/CSIR NET chemical science ?
          > Understand the CSIR NET Examination Pattern and set your targeted score to bag up the examination qualification. Plan a study schedule to manage your time effectively during the exam preparation. Spend at least 5 hours on your studies daily and allow 1 hour extra for revision. Take Important Topics at first.

        THANK YOU SO MUCH 😊  





Properties of Building Materials and their Importance in Construction

 Civil-Cum-Chemistry // Civil engineering -cum- Chemical Engineering 

Civil-Cum-Chemistry

Chemistry is an important fundamental topic for civil engineers, e.g. in understanding the properties of building materials, the natural environment (atmosphere and solutions) and the reaction of building materials with the environment (corrosion of metals, durability etc). 


Properties of Building Materials and their Importance in Construction


Civil Engineer

Building materials or construction materials are the major requirement in this modern age of technology. There are many types of building materials used for different construction works. 


Properties of Building Materials 

Building Materials

For a material to be considered as a building material, it should have required engineering properties suitable for construction works. These properties of building materials are responsible for its quality and capacity and helps to decide applications of these material. 

Such properties of building materials are categorized as follows.

 Physical properties

 Mechanical properties

 Chemical properties

 Electrical properties 

Magnetic properties 

Thermal properties


Physical Properties of Building Materials 

 Physical properties


These are the properties required to estimate the quality and condition of the material without any external force. The physical properties of engineering materials are as follows. 


Bulk density 

Porosity

 Durability 

Density 

Density index

 Specific gravity 

Fire resistance

 Frost resistance 

Weathering resistance

 Spalling resistance

 Water absorption 

Water permeability

 Hygroscopicity

 Coefficient of softening

 Refractoriness


Bulk Density of Building Materials 


 Bulk density
Bulk density is the ratio of mass to the volume of the material in its natural state that is including voids and pores. It is expressed in kg/m³. Bulk density influences the mechanical properties of materials like strength, heat and conductivity etc. bulk density values of some of the engineering materials are given below. 


Building materialBulk density (kg/m3)
Brick1600 – 1800
Sand1450 – 1650
Steel7850
Heavy concrete




Light concrete
1800 – 2500
500 – 1800
Granite2500 – 2700

Porosity of Building Materials 

Porosity
Porosity


Porosity gives the volume of the material occupied by pores. It is the ratio of volume of pores to the volume of material. Porosity influences many properties like thermal conductivity, strength, bulk density, durability etc. 


Durability of Building Materials 


The property of a material to withstand against the combined action of atmospheric and other factors is known as durability of material. If the material is more durable, it will be useful for longer life. Maintenance cost of material is dependent of durability.



Density of Building Materials


 Density is the ratio of mass of the material to its volume in homogeneous state. Almost all the physical properties of materials are influenced by its density values. Density values of some building materials are given below.


MaterialDensity (kg/m3)
Steel7800 – 7900
Brick2500 -2800
Granite2600 – 2900


Density Index

Ratio of bulk density of material to its density is termed as density index. Hence it gives the volume of solid matter in the material. In nature, fully dense material is not available so, density index is always less than 1 for any building material.


Specific Gravity of Building Materials 

Specific gravity is the ratio of mass of given substance to the mass of water at 4oC for the equal volumes. Specific gravity of some materials is listed below.


MaterialSpecific gravity
Steel7.82
Cast iron7.20
Aluminum2.72


Fire Resistance of Building Materials

 Fire resistant

 The ability to withstand against fire without changing its shape and other properties. Fire resistance of a material is tested by the combined actions of water and fire. Fireproof materials should provide more safety in case of fire.


Frost Resistance

 Frost resistance (Bridge)


 The ability of a material to resist freezing or thawing is called frost resistance. It is depends upon the density and bulk density of material. Denser materials will have more frost resistance. Moist material have low frost resistance and they lose their strength in freezing and become brittle.


Weathering Resistance

 The property of a material to withstand against all atmospheric actions without losing its strength and shape. Weathering effects the durability of material. For example corrosion occurs in iron due to weathering. To resist this paint layer is provided.

 Spalling Resistance

 The ability of a material to undergo certain number of cycles of sharp temperature variations without failing is known as spalling resistance. It is the dependent of coefficient of linear expansion.

 Water Absorption




 The capacity of a material to absorb and retain water in it is known as water absorption. It is expressed in % of weight of dry material. It depends up on the size, shape and number of pores of material. 


Water Permeability

 The ability of a material to permit water through it is called water permeability. Dense materials like glass metals etc. are called impervious materials which cannot allow water through it.


Hygroscopicity

 Hygroscopicity is the property of a material to absorb water vapor from the air. It depends on the relative humidity, porosity, air temperature etc.

 Coefficient of Softening

 Coefficient of softening of a material is the ration of compressive strength of a saturated material to its compressive strength in dry state. It affects the strength of water absorbent materials like soil. Refractoriness The property of a material which cannot melts or lose its shape at prolonged high temperatures (1580°C or more). 



 Example: fire clay is high refractory material.


Mechanical Properties of Building Materials

 Mechanical properties of the materials are find out by applying external forces on them. These are very important properties which are responsible for behavior of a material in its job. 



The mechanical properties are,

 Strength 

Hardness 

Elasticity 

Plasticity

 Brittleness

 Fatigue

 Impact

 strength

 Abrasion 

resistance

Creep


Strength of Building Materials

 The capacity of a material to resist failure caused by loads acting on it is called as strength. The load may be compressive, tensile or bending. It is determined by dividing the ultimate load taken by the material with its cross sectional area. Strength is an important property for any construction materials. So, to provide maximum safety in strength, factor of safety is provided for materials and it is selected depending on nature of work, quality of material, economic conditions etc.

 Hardness of Building Materials

 The property of a materials to resist scratching by a herder body. MOHS scale is used to determine the hardness of a materials. Hardness is most important to decide the usage of particular aggregate. It also influences the workability.

 Elasticity of Building Materials

 The capacity of a material to regain its initial shape and size after removal of load is known as elasticity and the material is called as elastic material. Ideally elastic materials obey Hooke’s law in which stress is directly proportional to strain. Which gives modulus of elasticity as the ratio of unit stress to unit deformation. Higher the value of modulus of elasticity lower the deformations.


Plasticity

 When the load is applied on the material, if it will undergo permanent deformation without cracking and retain this shape after the removal of load then it is said to be plastic material and this property is called as plasticity. They give resistance against bending, impact etc.

 Examples: steel, hot bitumen etc.

 Brittleness

 When the material is subjected to load, if it fails suddenly without causing any deformation then it is called brittle material and this property is called as brittleness.

 Examples: concrete, cast-iron etc


Fatigue

 If a material is subjected to repeated loads, then the failure occurs at some point which is lower than the failure point caused by steady loads. This behavior is known as fatigue.

 Impact Strength

 If a material is subjected to sudden loads and it will undergo some deformation without causing rupture is known as its impact strength. It designates the toughness of material.

 Abrasion Resistance

 The loss of material due to rubbing of particles while working is called abrasion. The abrasion resistance for a material makes it durable and provided long life.


Creep

 Creep the deformation caused by constant loads for long periods. It is time dependent and occurs at very slow rate. It is almost negligible in normal conditions. But at high temperature conditions creep occur rapidly. 

Chemical Properties of Building Materials

 The properties of materials against the chemical actions or chemical combinations are termed as chemical properties. And they are

 Chemical resistance

 Corrosion resistance


Chemical Resistance of Building Materials

 The ability of a construction materials to resist the effects by chemicals like acids, salts and alkalis is known as chemical resistance. Underground installations, constructions near sea etc. should be built with great chemical resistance.

 Corrosion Resistance

 Formation of rust (iron oxide) in metals, when they are subjected to atmosphere is called as corrosion. So, the metals should be corrosive resistant. To increase the corrosion resistance proper measures should be considered. Otherwise it will damage the whole structure.


Electrical Properties of Building Materials

 The properties of a material to conduct or to resist electricity through them are electrical properties of material. For example, wood have great electric resistance and stainless steel is a good conductor of electricity.

 Magnetic Properties of Building Materials

 The magnetic properties of materials like permeability, hysteresis etc. are required in the case of generators etc. iron is magnetic material and aluminum is non-magnetic material.


Thermal Properties of Building Materials

 Thermal capacity

 Thermal conductivity

 Thermal resistivity

 Specific heat


Thermal Capacity of Building Materials

 Thermal capacity is the property of a material to absorb heat and it is required to design proper ventilation. It influences the thermal stability of walls.It is expressed in J/N °C and it is calculated by below formula.

 Thermal capacity, T = [H/(M(T2 – T1))]

 Where H = quantity of heat required to increase the temperature from T1 to T2

 T1 = Initial temperature

 T2 = Final temperature

 M = Mass of material in N.


Thermal Conductivity

 The amount of heat transferred through unit area of specimen with unit thickness in unit time is termed as thermal conductivity. It is measured in kelvins. It depends on material structure, porosity, density and moisture content. High porous materials, moist materials have more thermal conductivity.

 Thermal Resistivity

 It is the ability to resist heat conduction. And it is the reciprocal of thermal conductivity. When it is multiplied by thickness of material it gives thermal resistance. Thermal resistivity of soil varies from 30 to 500 °C-cm/W.

 Specific Heat

 Specific heat is the quantity of heat required to heat 1 N of material by 1°C. Specific heat is useful when we use the material in high temperature areas. Specific heat values of some engineering materials are given below.



MaterialSpecific heat J/N oC
Steel0.046 x 103
Wood0.239 to 0.27 x 103
Stone0.075 to 0.09 X 103






Concept Architectural & Structural Solution (CASS) at Bolpur Birbhum West Bengal 731204 || Shemford Futuristic School @Katwa, Burdwan, West Bengal, Project by Sk Jasimuddin, MTech Structural Engineer || Building Planning, Structural Design, Execution, Estimation, etc

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Concept Architectural & Structural Solution,  ( CASS ) at Bolpur Birbhum | Building Planning, Structural Design, Execution, Estimation, etc πŸ—️  


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Shemford Futuristic School @Katwa, Burdwan, West Bengal, Project by Sk Jasimuddin, MTech Structural Engineer, Having a KMC Licence, Lisence No. ESE/II/656


Shemford Futuristic School Katwa Burdwan


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Concept Architectural & Structural Solution ( CASS ) , at Bolpur, Birbhum, 731204 


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         Founder : CASS 

         Contact No : 7003241922 

         Email ID : engineeringsolution000@gmail.com 

         Website : cassolution.in 

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Full PDF Book of Organic Chemistry written by Clayden, 2nd edition

πŸ“šπŸ‘‰πŸ‘‰PDF of Clayden Text Book /2nd Edition Book ReviewπŸ‘‰  Click Here        Organic Chemistry:- it is a student-friendly book ab...

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