We feel happy to bring 10th Class Chemistry Guess Paper 2022 Punjab Boards. You can follow this paper scheme because it has been confirmed from officials of all Punjab Boards.
10th Class Chemistry Guess 2022
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Download PDF 10th Class Guess Papers Of Subject Chemistry
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10th Class Chemistry Guess Paper 2022
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Class 10 Chemistry Guess Paper
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Chemistry Guess For Class 10
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10th Class Science subjects Guess
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10th Class Guess Paper 2022
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Chemistry Guess Paper
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Class 10th Guess Papers 2022
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10th CLASS ALL SUBJECTS GUESS PAPERS - 2022
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10th CLASS CHEMISTRY GUESS PAPER 2022
UNIT
NO. 9:
CHEMICAL EQUILIBRIUM.
SHORT QUESTIONS.
1. Define Reversible reaction.
2. Describe some properties of reversible reaction.
3. Differentiate between reversible and irreversible reaction. Explain with example.
4. How Dynamic equilibrium established?
5. Define Chemical equilibrium state.
6. Compare macroscopic properties of forward and reverse reactions.
7. Write down tow characteristics of irreversible reaction.
8. Define complete reaction.
9. Describe law of mass action and write its equation.
10. What is meant by active mass?
11. Define Equilibrium constant.
12. What is meant by extent of reaction?
LONG QUESTIONS.
1. Differentiate between forward and reverse reaction.
2. State the law of mass action and derive the expression for equilibrium constant for a general reaction.
3. How do you predict the direction of reaction with the help of equilibrium constant?
UNIT NO.
10
ACID, BASES AND
SALTS.
SHORT QUESITONS.
1. Write four properties of bases.
2. Describe Arrhenius concept of acid and base.
3. Write down the limitations of Arrhenius concept of acid and base.
4. Define Amphoteric and give example.
5. What is difference between conjugate acid and conjugate base?
6. What is meant by pH. Give its uses.
7. Write neutralization reaction according to Levis theory.
8. Why H+ ion act as a Lewis Acid.
9. Write names and formulae of two mineral acids.
10. Write two uses of Sulphuric and Nitric acid.
11. Write name of any two acids use in synthesis of fertilizers.
12. Define pH and what pH of pure water is.
13. Describe two important characteristics of salts.
14. Define salt and types of salt.
15. What is Neutralization? Also give an example.
16. Write two uses of sodium carbonate.
17. Define indicator and universal indicator.
18. What is acid rain?
19. Name an acid used in the preservation of food.
20. Difference between Lewis acid and Lewis base.
LONG QUESTIONS.
1. Explain Lowery-Bronsted concept of acids and base.
2. Describe Lewis Concept of Acid and base.
3. Write down the uses of following: NaCl, CaCO3, MgO2, AlH
4. Difference between acidic and basic salt.
5. What is meant by pH give the uses.
UNIT NO. 11
ORGANIC CHEMISTRY
SHORT QUESTIONS.
1. Write condense formula of any two hydrocarbon.
2. What are organic compound.
3. What is meant by structure formula? Explain with example.
4. What are aromatic compound? Give an example.
5. Compare open chain and closed chain compound with example.
6. How coal is formed.
7. Define carbonization.
8. Classification of Coal
9. Write the importance of Natural gas.
10. How are alkyl radical formed. Explain with example.
11. Write the characteristics of Homologues series.
12. What is functional group give two example.
13. What is meant by ester linkage?
14. Define Petroleum
15. Difference between primary and tertiary alcohol
16. What is the term by catenation?
17. Define Isomerism.
18. Difference between n –propyl and isopropyl radical.
19. Difference between aldehyde and ketonic functional group.
LONG QUESTIONS.
1. Write down character of Homologous series.
2. Define functional group. Write general formula of functional group and alcohol.
3. Describe the test to identity carboxylic group.
CHAPTER NO. 12
HYDROCARBON.
1.
Define hydrocarbon give the example.
2.
Difference between saturated and unsaturated hydrocarbon.
3.
Why alkanes called
paraffin.
4.
Write an equation
of preparation of ethane.
5.
Describe uses
of methane and ethane.
6.
What do you know about halogenation of alkanes?
7.
Why alkanes are reactive?
8.
Write two uses of
ethene.
9.
Why alkenes called is
olefins.
10. What is addition
reaction? Give examples.
11. Why are the alkanes used as fuel?
12. Write two uses of acetylene.
13. Name the gas
liberated when alkalis
react with ammonia
salt.
LONG QUESTIONS.
1. Write three uses of Ethene
2.
Write down
any five physical properties
of alkanes.
3.
Describe five uses of Ethene.
4.
Write down uses of acetylene
CHAPTER NO. 13
BIOCHEMISTRY.
SHORT QUESTIONS.
1. What are carbohydrates?
Also write general formula.
2.
What is
the basic unit of carbohydrates and how are they synthesized?
3.
What is difference between glucose and fructose?
4.
Write physical properties of monosaccharide’s.
5.
Write characteristics of oligosaccharides.
6.
How do you justify that the amino acids are the building blocks of
proteins.
7.
What is difference between ghee and oil?
8.
Write down two characteristics of fats.
9.
What is
function of DNA?
10. What is the
function of RNA?
11. Write the source of vitamin A and D.
12. Write down disease occur by the deficiency of vitamin.
13. Describe important of vitamin.
14. How do plants synthesize carbohydrates?
LONG QUESTIONS.
1. Describe four uses
and sources of carbohydrates.
2.
What are lipids?
Write their sources and uses.
3.
Write down
DNA.
4.
Write down
the sources and diseases due to deficiency of some fat soluble
vitamin.
UNIT NO. 14
ATMOSPHERE
SHORT QUESTIONS.
1.
What is stratosphere?
2.
What is the temperature range of stratosphere and mesosphere?
3.
Write down the name of stratosphere’s
regions.
4. Difference between primary and secondary pollutants
of air.
5. Why CO2 is called a greenhouse gas?
6. Write two effect of global warming.
7. What threats are human
health due to SO2 gas as air pollutants?
8. Write effects
of ozone depletion.
9.
How is ozone layer formed
in stratosphere?
LONG QUESTIONS.
1. What is green –house
effect? Explain it.
2.
What is acid rain and how it is formed?
UNIT NO. 15
WATER.
SHORT QUESTIONS.
1.
Write four properties of water.
2.
What is capillary action?
3.
Write effects of temporary hardness
of water.
4.
Write disadvantages of detergents.
5.
Difference between
biodegradable and non –biodegradable substance.
6.
What is jaundice?
Give its symptoms.
7.
How water borne disease
can be prevented?
8.
What are dysentery
and typhoid?
9.
What is
the reason of jaundice and typhoid?
10. What are pesticides used.
11. How does Sodium zeolite
soften hard water?
LONG QUESTIONS.
1.
Describe two methods
to remove permanent hardness.
2. Describe the methods
to remove temporary hardness.
3. Write a note on Cholera and Hepatitis diseases.
UNIT NO. 16
CHEMICAL INDUSTRIES.
SHORT QUESTIONS.
1. Define Metallurgy.
2.
Describe froth flotation
process.
3. Name any two
process which involved in metallurgy for extraction of a metal in the pure
state from its ore.
4.
Write the formulae
of matte and urea.
5.
Write down
the name of any two raw material used for Solvay’s process.
6. Write two advantages of Solvay’s process.
7. How NaHCO3 is converted into Na2CO3?
8. How ammonia
is prepared by Haber’s process.
9.
Write does of Petroleum ether.
10. Write down the name of different fractions of petroleum.
11. Define petroleum and crude oil.
12. Difference between
diesel oil and fuel
oil.
LONG QUESTIONS.
1. What is meant
by Ore. Describe three methods for concentration of ores?
2.
Write three advantages of Solvay process.
3.
State process of the preparation of Urea.
4.
Write a note on
fractional distillation of petroleum?
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