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Worksheetsclass 9 c quiz
Total questions: 50
Worksheet time: 17mins
Seema took a 100 ml beaker and filled half the beaker with water and marked the level of water. She dissolved some salt with the help of a glass rod and recorded water level again.
The water level increases appreciably
The water level decreases
The water level remains the same
There is little increase in water level.
Which of the following is not a characteristic of matter?
Matter is made up of extremely small particles
There is no space between particles of matter
The particles of matter are continuously moving
The particles of matter attract each other.
Which one of the following sets of phenomenon would increase on raising the temperature?
Diffusion, evaporation and compression of gases
Evaporation, compression of gases and solubility of solid in liquid
Evaporation, diffusion, expansion of gases and solubility of solid in liquid
Evaporation, solubility of gas in liquid, diffusion and compression of gases.
Shivam visited an LPG unit and found that the gas can be liquified at specific conditions of temperature and pressure. Help him to identify the correct set of conditions.
High temperature and high pressure.
Low temperature and low pressure.
Low temperature and high pressure.
High temperature and low pressure.
During summer, water kept in earthen pot becomes cool due to phenomenon of
Diffusion
Transpiration
Distillation
Evaporation
Which of the following is correct order of forces of attraction?
Water > Air > Sand
Air > Sugar > Oil
Air < Water < Sugar
Salt > Air > Juice
If we keep cold drink bottle in freezer, what will happen?
Water will change into ice
Cold drink bottle will break
CO2 gas will get solidified
Nothing happens.
Choose the correct statement out of the following
Conversion of solid into vapours without becoming liquid is called evaporation.
Conversion of vapours into solid without becoming liquid is called sublimation
Conversion of solid into liquid is called sublimation.
Conversion of liquid into vapours is called fusion.
Which of the following will produce severe burns ?
Cold water
Hot water
Boiling water
Steam
Which of the following conditions will increase the rate of evaporation?
Increase in temperature of water
Decrease in wind speed
Decrease in surface area of water
Adding sugar to water
Which of the following is incorrect?
Solids have fixed shape and fixed volume.
Liquids have fixed volume but not shape
Gases have neither fixed shape nor volume
The particles have least intermolecular space but maximum kinetic energy in liquids.
Which of the following is correct order of density ?
Air < Exhaust from chimneys < Honey < Water < Chalk < Cotton < Iron.
Air < Exhaust from Chimneys < Water < Honey < Cotton < Chalk < Iron.
Air < Exhaust from Chimneys < Honey < Water < Chalk < Iron < Cotton
Air < Exhaust from Chimneys < Water < Honey < Chalk < Cotton < Iron
Ice floats on water because
it has higher density than water
it has lower density than water due to more volume
it is solid
it is low melting solid
The physical state of a matter depends upon
temperature and pressure
temperature only
pressure only
nature of substance
The boiling point of water at higher altitude is
373 K
< 373 K
> 373 K
273 K
Latent heat of fusion is amount of
heat energy required to change 1 kg solid into liquid completely at its melting point.
heat energy required to convert 1 kg solid into liquid at room temperature
heat energy required to change 1 g of solid into liquid completely
heat energy required to change 1 kg of solid into liquid at any temperature.
The temperature at which vapour pressure of liquid becomes equal to atmospheric pressure is called
melting point
boiling point.
ignition temperature
sublimation temperature.
Which of the following is not correct?
SI unit of temperature is kelvin
SI unit of pressure is atm
SI unit of density is kg/m3
1 litre = 1000 cm3 = 1 dm3
Which of the following has minimum kinetic energy ?
Particles of ice below 0 °C
Particles of water at 0 °C
Particles of water at 100 °C
Particles of steam at 100 °C
Which of the following cannot be separated by sublimation?
Iodine and NaCl
Iodine and Ammonium chloride
Camphor and Sodium chloride
Naphthalene and Sand
Anything that takes up space is called ______
solid
liquid
matter
gas
property
A state of matter that keeps its shape.
solid
liquid
gas
What are the properties of marble?
rough
hard
flexible
round
____ takes the shape of it's container.
solid
liquid
gas
Gasoline is a gas.
true
false
Which property of pancake batter changes when it is heated?
color
flexibility
texture
When heat is added to wood the change is reversible.
true
false
When heat is added to water it changes to a _____
solid
liquid
gas
What is one property of a liquid?
It flows.
It has it's own shape.
It fills its container.
1. Which of the following is NOT a process that matter changes phase?
a. melting
b. freezing
c. evaporation
d. mixing
2. The ability of solids to be easily broken or shattered into pieces.
a. elasticity
b. malleability
c. magnetic
d. brittleness
3. Which of the following objects can return to its original shape after being stretched?
a. sponge
b. mirror
c. rubber band
d. broken glass
4. This is one way of minimizing waste materials by creating a new product out of garbage.
a. reducing
b. recycling
c. repairing
d. reusing
5. All of them are chemical change, except
a. rusting car
b. burning woods
c. souring of milk
d. folding a piece of paper
6.______ is the increase in the average temperature of Earth’s atmosphere.
a. global warming
b. air pollution
c. acid rain
d. none of the choices
7. It serves as a protective shield that traps harmful ultraviolet radiation to reach us. What is it?
a. UV rays
b. global warming
c. ozone layer
d. pollutants
8. The 5R’s or reduce; reuse, recycle, recover and ______ are the modern methods of waste management.
a. repair
b. reform
c. replace
d. refuse
9. How the 5R’s waste management help us or the environment?
a. they promote a clean and healthful environment.
b. they transform garbage into something useful.
c. they make the earth expose from any garbage or waste materials
d. both A and B
10. On what situation you can apply reducing waste materials?
a. buy many soap powder in sachets
b. put food scraps and animal manure in compost bin
c. bring the old plastic bag when you go to the market
d. buy a big pack of milo than small packs
How many states of matter have we learned about?
4
1
3
2
The 3 state of Matter are?
Sandakan, Tawau, Kota Kinabalu
Matter, Mass, and Weight
Solid, Liquid, and Gas
Steel, Copper, and Brass
volume
Which of the following is a solid?
money
orange juice
helium
milk
This type of matter can change to a solid by freezing.
liquid
gas
solid
Particles of a liquid
are tightly packed together and stay in a fixed position.
are free to move around & collide with one another
Is sand a solid, liquid or gas?
Solid
Liquid
Gase
Which of these is a liquid?
Steam
Ice
Water
Flour
who to seprate the iron nail in sand
sublimation
physical
chemical
filteration
