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# grade12

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Concept of market economy

Concept of market economy

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1 min read
The law of maximum satisfaction/ The law of equi-marginal utility/ The law of substitution

The law of maximum satisfaction/ The law of equi-marginal utility/ The law of substitution

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3 min read
Mohr’s Salt Or Ferrous Ammonium Sulphate FeSO4(NH4)2 SO4.6H2O)

Mohr’s Salt Or Ferrous Ammonium Sulphate FeSO4(NH4)2 SO4.6H2O)

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1 min read
Heat Treatment Of Steel

Heat Treatment Of Steel

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Manufacture Of Steel

Manufacture Of Steel

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2 min read
Rusting

Rusting

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1 min read
Properties Of Iron

Properties Of Iron

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Varieties Of Iron

Varieties Of Iron

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Silver Nitrate (AgNO3)

Silver Nitrate (AgNO3)

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Silver Chloride (AgCl)

Silver Chloride (AgCl)

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Extraction Of Silver From Argentite

Extraction Of Silver From Argentite

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Silver (Ag)

Silver (Ag)

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Ferric Chloride (FeCl2 or Fe2Cl6)

Ferric Chloride (FeCl2 or Fe2Cl6)

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2 min read
Ferrous Sulphate Or Green Vitriol (FeSO4 7H2O)

Ferrous Sulphate Or Green Vitriol (FeSO4 7H2O)

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2 min read
Some Special Steels

Some Special Steels

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Mercury (Hg)

Mercury (Hg)

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Extraction Of Iron From Haematite

Extraction Of Iron From Haematite

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2 min read
Iron

Iron

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Transition Metals & Iron

Transition Metals & Iron

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1 min read
Mercurous Chloride Or Calomel (Hg2Cl2)

Mercurous Chloride Or Calomel (Hg2Cl2)

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1 min read
Extraction Of Mercury From Cinnabar

Extraction Of Mercury From Cinnabar

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3 min read
Mercuric Chloride Or Corrosive Sublimate (HgCl20)

Mercuric Chloride Or Corrosive Sublimate (HgCl20)

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Zinc Oxide (ZnO)

Zinc Oxide (ZnO)

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Zinc Sulphate Or White Vitriol (ZnSO4.7H2O)

Zinc Sulphate Or White Vitriol (ZnSO4.7H2O)

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Copper

Copper

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Coinage Metal

Coinage Metal

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1 min read
Pseudo Unimolecular Reaction

Pseudo Unimolecular Reaction

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2 min read
Extraction Of Zinc From Zinc Blende

Extraction Of Zinc From Zinc Blende

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4 min read
Zinc (Zn)

Zinc (Zn)

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1 min read
Copper Sulphate(CuSO4)

Copper Sulphate(CuSO4)

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2 min read
Cupric Oxide Or Black Oxide Of Copper (CuO)

Cupric Oxide Or Black Oxide Of Copper (CuO)

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Cuprous Oxide Or Red Oxide Of Cupper (Cu2O)

Cuprous Oxide Or Red Oxide Of Cupper (Cu2O)

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Extraction Of Copper From Copper Pyrite

Extraction Of Copper From Copper Pyrite

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3 min read
Theories Of Rate Of Reaction

Theories Of Rate Of Reaction

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Rate Of Reaction And Stoichiometric Coefficient

Rate Of Reaction And Stoichiometric Coefficient

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Instantaneous Rate And Average Rate Of Reaction

Instantaneous Rate And Average Rate Of Reaction

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Molecularity Of A Reaction

Molecularity Of A Reaction

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Arhenius Equation Dependence Of Rate On Temperature

Arhenius Equation Dependence Of Rate On Temperature

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Half Life (t1/2)

Half Life (t1/2)

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Determination Of Order Of Reaction By Initial Concern Method

Determination Of Order Of Reaction By Initial Concern Method

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Order Of Reaction

Order Of Reaction

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2 min read
Factors Affecting The Rate Of Reaction

Factors Affecting The Rate Of Reaction

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Hess’s Law Of Constant Heat Summation

Hess’s Law Of Constant Heat Summation

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Internal Energy (E)

Internal Energy (E)

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Sign Convention Of Heat And Work

Sign Convention Of Heat And Work

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Chemical Kinematics

Chemical Kinematics

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Free Energy Change And Net Useful Work

Free Energy Change And Net Useful Work

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2 min read
Criteria For Spontaneity In Terms Of H, S and G

Criteria For Spontaneity In Terms Of H, S and G

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2 min read
Second Law Of Thermodynamics

Second Law Of Thermodynamics

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Entropy Function

Entropy Function

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2 min read
Enthalpy (H)

Enthalpy (H)

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Spontaneous Process

Spontaneous Process

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Bond Energy Or Bond Enthalpy

Bond Energy Or Bond Enthalpy

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Numerical Related Hess’s Law

Numerical Related Hess’s Law

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Laplace – Lavoiser Law Of Thermo Chemical Reaction

Laplace – Lavoiser Law Of Thermo Chemical Reaction

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State Of A System, State Variables and State Function

State Of A System, State Variables and State Function

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First Law Of Thermodynamics

First Law Of Thermodynamics

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2 min read
Thermodynamic Equilibrium

Thermodynamic Equilibrium

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Reversible And Irreversible Processes

Reversible And Irreversible Processes

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Thermodynamic Processes

Thermodynamic Processes

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