WorksheetsMatter in our surroundings
Total questions: 20
Worksheet time: 9mins
In which state of matter , process of diffusion is fastest?
Liquids
Gases
Solids
Semi - solids
The state of matter which is found to be more stable at lower temperature:
Solid
Liquid
Gas
BEC
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
On which factors evaporation does not depend
Humidity
Temperature
Surface area
Quality of matter
when 2-3 crystals of potassium permanganate are dissolved in water, the colour of water will be
blue
green
yellow
purple pink
The fifth state of matter is given by?
Subhash Chandra Bose
Albert Einstein
Satyendra Nath Bose
Both Satyendra Bose and Einstein
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
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.
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.
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
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.
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
Which of the following cannot be separated by sublimation?
Iodine and NaCl
Iodine and Ammonium chloride
Camphor and Sodium chloride
Naphthalene and Sand
When water gets solidified into ice, then heat is:
absorbed
evolved
first absorbed then evolved
initially evolved then absorbed
