Chapter – 1 – Matter in our Surroundings
(Revision Assignment)
Q1. Why are gases so easily compressible whereas it is almost impossible to compress a solid?
Q2. Explain why diffusion occurs more quickly in a gas than in a liquid.
Q3. Explain why glycerine is more viscous than water.
Q4. Give reasons for the following –
(a) Milk is called a liquid
(b) Carbon dioxide is a gas
Q5. Both sugar and water take the shape of the container in which they are placed, yet sugar is called a solid while water is called a liquid. Explain.