Question

Arrange the following substances in increasing order of forces of attraction between the
particles-water, sugar, oxygen.
7.. Why do solid have an open surface but gases don't? Explain
1. How will you demonstrate that water vapours are present in air?
iii. What carries the load of the truck, tyres or the air inside them. Explain
8. 1. Define latent height of vapourisation. Is it the same as the heat of vaporization? Comment
ft. Explain why steam at 100°C is more effective for heating purposes than boiling water at 100
9. Explain the following:-
i. Ice has lower density than water.
Hi. We should not wear terlene clothes in summer
ii. Sponge though compressible is a solid.
20. With the help of a labelled diagram, describe an activity to show that the particles of matter
are very small. Use the following material that has been provided: 4 beaker, spatula, 4 test
tube, distilled water and few crystals of potassium permanganate​

Answer 1

Answer:

oxygen ,water,sugar are arrange in according to their force of attraction