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25 questions
which of the following is matter
air
stone
cloud
all of them
the 'panch tatva' or five basic elements are air,water,fire,earth and ___________?
trees
animals
sky
moon
what do you think?
matter is continuous or particulate
continuous
particulate
when 2-3 crystals of potassium permanganate are dissolved in water, the colour of water will be
blue
green
yellow
purple pink
do you think particles of matter have spaces between them?
yes
no
do you think the particles of matter are continuously moving?
yes
no
as the temperature rises, particles of matter move
fast
slow
not effected
none of them
intermixing of two different types of matter on their own is called:
fusion
diffusion
vaporisation
condensation
Do particles of matter attract each other
Yes
No
How many states of matter are there?
3
4
5
2
The fifth state of matter is given by?
Subhash Chandra Bose
Albert Einstein
Satyendra Nath Bose
Both Satyendra Bose and Einstein
What is the full form of CNG?
Cairo Nitro Gasoline
Car Need Gas
Compressed Natural Gas
Congress Natural Gas
Full form of LPG?
Light Petrol Gas
Liquified Petroleum Gas
Light Purple Gas
Light Paper Glue
The substances which occupy some space and having some mass called
Particles
Impure substance
Ions
Matter
On which factors evaporation does not depend
Humidity
Temperature
Surface area
Quality of matter
Which is known as dry ice.
CO2
H2O
Fruit ice
Both a &b
Convert 473k into degree Celsius
What will be the impact on the density of matter if we heat or decreases the pressure of the matter?
Increase
Decrease
First increase then decreases
First decreases then increase
None of the above
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 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.
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
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