WorksheetsMatter in our surroundings
Total questions: 25
Worksheet time: 13mins
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.
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
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
The boiling point of water at higher altitude is
373 K
< 373 K
> 373 K
273 K
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 does not affect rate of evaporation?
Wind speed
Surface area
Temperature
Insoluble heavy impurities
A form of matter has no fixed shape but it has a fixed volume. An example of this form of matter is
Krypton
Kerosene
Carbon steel
Carbon dioxide
On converting 308 K, 329 K and 391 K to Celsius scale, the correct sequence of temperatures will be:
33°C, 56°C and 118°C
35°C, 56°C and 119°C
35°C, 56°C and 118°C
56°, 119°C and 35° C
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.
A form of matter has no fixed shape but it has a fixed volume. An example of this form of matter is
Krypton
Kerosene
Carbon steel
Carbon dioxide
Which of the following phenomena always results in the cooling effect?
Condensation
Evaporation
Sublimation
None of these
What is Dry Ice?
Ice having no water of crystallisation
Ice that has been dried
Solid carbon dioxide
None of these
What is the unit of latent heat of fusion?
(a)
The fifth state of matter is given by?
Subhash Chandra Bose
Albert Einstein
Satyendra Nath Bose
Both Satyendra Bose and Einstein
Which of the following cannot be separated by sublimation?
Iodine and NaCl
Iodine and Ammonium chloride
Camphor and Sodium chloride
Naphthalene and Sand
A few substances are arranged in the increasing order of 'forces of attraction'between their particles.Which one of the following represents a correct arrangement?
Water,air,wind
Air,sugar,oil
Oxygen,water,sugar
Sugar,juice,air
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.
Particles of matter having space between them is called
Interstitial space
Intermolecular space
Vacant space
None of the above
What is the unit of pressure?
(a)
Name the process by which dry ice changes into carbon dioxide gas.
Evaporation
Condensation
Sublimation
Vaporisation
Melting point of ice is
273.16K
373.15K
100°C
250.18K
Which one among the followings has a fixed volume but no fixed shape?
Carbon dioxide
Ice
Kerosene
Xenon
