Chem_Primo_Matter

Which of the following concepts in this universe can be organised around us?

• (i) and (ii)

• (iii) and (iv)

• (i) and (iv)

• (ii) and (iv)

Which of the following is not matter?

• Pen

• Pencil

• Air

• Joy

Name the process by which a drop of ink spreads in a beaker of water.

• Diffusion

• Vaporization

• Condensation

• Sublimation

Which of the following has the strongest interparticle force at room temperature?

• Nitrogen

• Mercury

• Iron

• Chalk

Fluids are:

• liquids and gases

• solids and gases

• liquids and solids

• only solids

Volume of gases can be defined as:

• definite

• almost Nil

• large

• take the volume of container

The physical state of matter which can be easily compressed is:

• liquid

• gas

• solid

• none of these

The change of state from solid to liquid is known as:

• freezing

• boiling

• melting

• none of these

The temperature at which a solid changes into liquid at atmospheric pressure is called:

• melting point

• boiling point

• diffusion

• evaporation

The melting point of ice is:

• 0°C

• 4°C

• 5°C

• none of these