WorksheetsMATTER IN OUR SURROUNDINGS
Total questions: 20
Worksheet time: 10mins
In which state of matter , process of diffusion is fastest?
Liquids
Gases
Solids
Semi - solids
During summer, water kept in an earthen pot becomes cool because of the phenomenon of:
diffusion
transpiration
osmosis
evaporation
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
when 2-3 crystals of potassium permanganate are dissolved in water, the colour of water will be
blue
green
yellow
purple pink
which condition out of the following will increase the evaporation of water?
increase in temperature of water
decrease in temperature of water
less exposed surface area of water
adding common salt to water
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.
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.
Which of the following will produce severe burns ?
Cold water
Hot water
Boiling water
Steam
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
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.
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
When water gets solidified into ice, then heat is:
absorbed
evolved
first absorbed then evolved
initially evolved then absorbed
The temperature at which vapour pressure of liquid is equal to atmospheric pressure is
Melting point
Freezing point
Boiling point
None of the above
Which is known as dry ice.
CO2
H2O
Fruit ice
Both a &b
The amount of heat which is used to change the state of matter not for increase the temperature is called
Latent heat
Specific heat
Heat capacity
None of the above.
what is the chemical formula of potassium permanganate
PPM
KMn
KMnO
KMnO4
when 2-3 crystals of copper sulphate is added to a glass of water ,the colour developed is
blue
green
red
yellow
what is the chemical formula of copper sulphate
CuS
CoSO4
CuSO3
CuSO4
as the temperature rises, particles of matter move
fast
slow
not effected
none of them
The S.I unit of temperature is:
Celsius
Fahrenheit
Kelvin
None
