Question

ASSERTION: Solids have more density than liquids.
REASON: Solids have more inter-particle spaces.

22. ASSERTION: Solid carbon dioxide is called dry ice.

REASON: Carbon dioxide changes to liquid.

23. ASSERTION: Ice floats on water.
REASON: Ice has lower density than water because air is trapped in it.

24. ASSERTION: We feel warm when we keep acetone on our palm.
REASON: Acetone releases heat.

25. ASSERTION: Love is not state of matter.
REASON: It does not occupy space and do not have mass.

26. ASSERTION: Sponge can change its shape, still it is considered as solid.
REASON: They regain their shape when force is removed.

27. ASSERTION: Liquids lack the property of diffusion.
REASON: Particles in solids are very loosely packed.

28. ASSERTION: We should wear cotton clothes in summer.
REASON: Evaporation increases with increase in temperature.

29. ASSERTION: Solids do not have fixed shape and volume.
REASON: Inter-particle spaces are maximum in solids.

30. ASSERTION: A gas fills completely the vessel in which it is kept.
REASON: A gas is not compressible.

Answer 1

Explanation:

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Answer 2

Answer:

21. A is true, R. is false

22. A is True, R. I don't know

23. A. is true, R. is false

24. A is true, R is False

25. Both A and R Are True

26. Sponge is a solid because it has minute pores in which air is filled. when we press the sponge air is expelled from the holes making It highly compressible

27. Both A and R are False.

28. A is true but R is not the correct explanation of A.

29. Both A and R are False.

30. A is correct but R is false.