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9th Class Chemistry Guess Paper 2022
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Class 9 Chemistry guess paper 2022
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Class 9th Chemistry Guess Paper
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Chemistry Guess For Class 9
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9th Class Science subjects Guess
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9th Class Guess Paper 2022 for Punjab boards
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Chemistry Guess Paper
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9th Class Science Subjects Guess
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9th CLASS CHEMISTRY GUESS PAPER – 2022
CHAPTER NO. 1 : FUNDAMENTALS OF CHEMISTRY
MCQ’s-
Mcq’s No. 3,4,5,6,7,8,9
SHORT QUESTIONS.
1.Define Chemistry and
Branches of chemistry.
2.Difference between Chemical
properties and Physical properties.
3.Write down the name of any
two elements which were discovered in early ages.
4.Difference between matter
and mixture.
5.Define Symbol and valency
with example.
6.Give the symbol of Arsenic
and silver.
7.How does homogenous mixture
differed from Heterogeneous.
8.Write the chemical formula
of Ammonia and Sugar.
9.Calculate the molecular mass
of Nitric Acid.
10.Define Free Radical with
two example.
11.Write difference between
Homoatomic and Heteroatomic molecules.
12.Difference between
Triatomic molecule and polyatomic molecule.
13.Soft drink is mixture while
water is compounds. Give the reason.
14.Define Atomic mass unit.
15.Difference between Cation
and Anion.
16.Difference between ion and
free radical.
17.Define
Avogadro’s number.
LONG QUESTIONS.
1.Explain the important
Branches of Chemistry.
2.Difference between molecule
and molecular ion.
3.Explain types of molecules in
detail and give examples.
4.Write
five difference between compound and mixture.
CHAPTER NO. 2 STRUCTURE OF ATOM.
MCQ’S
Mcq’s
– 2,3,5,6,9,10
SHORT QUESTIONS.
1.When and who discovered
proton and neutron.
2.What is the nature of charge
on cathode rays?
3.What are canal rays?
4.Write two properties of
Neutron particles.
5.What is meant by Quantum?
6.Difference between shall and
sub shall.
7.Define Isotopes. Name the
isotopes of Hydrogen.
8.How U-235 used for power
generation?
9.Define Carbonating.
10.A patient has goiter. How
it is diagnosis?
11.Explain the treatment of
cancer by radiotherapy.
12.Five character of cathode
rays.
13.Write down defect of
Rutherford’s model.
14.What is the maximum
capacity of metal?
15.Define
Isotopes. Give two example.
LONG QUESTIONS.
1.How neutron was discovered?
Write its properties.
2.State any Four Properties of
Cathode rays.
3.Write difference between the
Ruther Fords and Bohr’s atomic theory.
4.What
is Isotopes? Describe the isotopes of hydrogen with diagram.
CHAPTER NO. 3 PERIODIC TABLE AND PERIODICITY OF PROPERTIES.
MCQ’S
Mcq’s No. 1,3,4,5,6,8,10
SHORT QUESTIONS.
1.What are triads? Give an
example.
2.Define Mendeleev’s Periodic
law.
3.Difference between
Mendeleev’s periodic law and Modern Periodic law.
4.What is meant by periodic
function?
5.Define transition elements.
6.Why elements are called s
and p block elements.
7.What is meant by Atomic
Radius? Write its unit.
8.Why does atomic size
increase in a group?
9.Define Shielding effect.
10.Give the trend of ionization
energy in a period. Also give reason.
11.What is trend of Electron
affinity in group and period?
12.What is electro negativity?
Write its units.
13.Why size of atom decrease
in a period?
14.What
is electron affinity? Give an example.
LONG QUESTIONS.
1.Define the shielding effect.
Write its trend in period and groups.
2.Define Group and explain all
periods in periodic table.
3.Discuss
any three important features of modern periodic table.
CHAPER NO. 4 STRUCTURE OF MOLECULES.
MCQ’S
Mcq’s
No. 4,6,7,8,10,14,15,16,17
SHORT QUESTIONS.
1.Why do atoms form chemical
bonds?
2.Define single covalent bond
and give one example.
3.Differentiate between donor
atom and acceptor atom.
4.Describe at least two
necessary conditions for the formation of Covalent bond.
5.Difference between Polar and
Non –Polar covalent bond.
6.Why does a covalent bond
become polar?
7.What is meant by Metallic
bond?
8.Ice floats on the surface of
water. Giver reason.
9.Ionic Compounds are solids.
Explain.
10.What is meant by
Co-Ordinate covalent compounds?
11.Why metal are good
conductors of electricity.
12.Write
down two physical properties of metal.
LONG QUESTIONS.
1.What is Chemical Bond? Why
do atoms from chemical bond?
2.Define Covalent bond and
write its types with one example of each.
3.What is Covalent bond and
describe properties of covalent compounds.
4.What are covalent compounds?
Describe properties of covalent compounds.
5.Write
five properties of metal.
CHAPTER NO. 5 PHYSICAL STATES OF MATTER.
MCQ’S
Mcq’s
No. 5, 6,7,8,10,11
SHORT QUESTIONS.
1.Define a diffusion of gas
with an example.
2.Differentiate between
Diffusion and effusion.
3.Define Standard atmosphere
pressure and write its unit.
4.What do you know about
mobility of gases
5.What is absolute temperature?
Write its value.
6.Define Charles’s law.
7.What is vapour pressure?
8.Convert -30 o C to K unit.
9.Why drops of rain fall
downward?
10.Justify why Evaporation is
a cooling process.
11.Define Boiling point and
melting point.
12.Difference between crystalline
and amorphous solid.
13.Define
the term allotropy with example.
LONG QUESTIONS.
1.State Boyle’s Law. Write its
mathematical expression and explain its experimental verification.
2.Define Charles’s law and
give its experimental verification.
3.Describe
three factors which effect the evaporation.
CHAPTER NO. 6 : SOLUTIONS.
MCQ’S
Mcq’s No. 1, 6, 7,8,9,10,11, 12, 13
SHORT QUESTIONS.
1.Define aqueous solution.
Write its components.
2.Difference between solute
and solvent?
3.Define Standard Solution.
4.Write the name of two
non-polar solvents.
5.What is meant by mass/mass%?
6.What do you mean by Volume/
Volume %
7.What is meant by Molarity?
Also its formula.
8.What is Tyndall effect?
9.How will you test weather
given solution is colloidal solution or not?
10.Different between Collide
and Suspension.
11.Write two examples of
suspension.
12.Why
we stir paints thoroughly before use?
LONG QUESTIONS.
1.Define Solubility. Give the
general principles of Solubility.
2.Describe five properties of Colloids.
3.Write
five characteristics of suspension and colloid.
CHAPTER NO. 7 ELECTROCHEMISTRY.
MCQ’S
Mcq’s
No. 1,3,5,6,7,9,10
SHORT QUESTIONS.
1.Define Reduction on the
basis of electron and give example.
2.Define Oxidizing agent with
an example.
3.Define Oxidation in terms of
electrons and give an example.
4.Define Redox Reaction. Give
an example.
5.Difference between
Electrolytes and non-Electrolytes.
6.Define anode and cathode.
7.Which force drives the non
–spontaneous reaction to take place?
8.Where do the electrons flow
from Zn electrode in Daniel’s cell?
9.Difference between
Electrolytic cell and Galvanic cell.
10.Define Corrosion.
11.What is salt bridge? What
is its basis function?
12.Write
the redox reaction taking place during the electroplating of chromium.
LONG QUESTIONS.
1.Describe the rules for
assigning the oxidation number.
2.Explain oxidation and
Reduction in terms of loss and gain of electron.
3.Compare electrolytic and
galvanic cell.
4.What is electrolysis?
Explain the electrolysis of water.
5.Explain the manufacture of
Sodium metal from fused NaCl.
6.Define
corrosion and rusting. Describe any three methods for prevention of corrosion.
CHAPTER NO. 8 : CHEMICAL REACTIVITY.
MCQ’S
Mcq’s
No. 2, 3, 4, 6, 8, 9, and 11
SHORT QUESTIONS.
1.How will you compare the
electro positivity of alkali metals and alkaline earth metals?
2.What do you mean by 24 carat
gold?
3.Any two uses of Sodium.
4.Write down two uses of Gold.
5.Write down two uses of
Silver.
6.Write the names of noble
metal
7.Write chemical properties of
non-metal.
8.Describe the non-metallic
character in groups and period of a periodic table.
9.Write any two chemical
properties of halogens.
10.Give chemical reaction of
methane with chlorine in bright light.
11.Write down chemical reaction
of sodium with H2 and Cl2.
12.Write
the chemical reaction of methane with chlorine.
LONG QUESTIONS.
1.Define metals. Also write
four chemical properties of metals.
2.Write
down four uses of Silver in daily life.
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