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Worksheetsmatter in our sorrounding
Total questions: 13
Worksheet time: 7mins
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
The process in which solid is directly convert into gas is called
Condensation
Boiling
Evaporation
None of the above.
On heating, a solid is converted to liquid. This change is called
Melting
Fusion
Diffusion
Freezing
On converting 25°C, 38°C and 66°C to kelvin scale, the correct sequence of temperature will be
298 K, 311 K and 339 K
298 K, 300 K and 338 K
273 K, 278 K and 543 K
298 K, 310 K and 338 K
In which state of matter , process of diffusion is fastest?
Liquids
Gases
Solids
Semi - solids
Which of the following is correct order of forces of attraction?
Water > Air > Sand
Air > Sugar > Oil
Air < Water < Sugar
Salt > Air > Juice
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.
The phenomenon of change of a liquid into the gaseous state at any temperature below its boiling point is called (a) .
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 is matter
air
stone
cloud
all of them
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
