Question

13. How does the density of water change when
(a) it is heated from 0°C to 4°C, LO
(b) it is heated from 4°C to 10°C ? +0
14. Write the density of water at 4°C.
15. Explain the meaning of the term speed.
16. Write the S.I. unit of speed.
12 m !​

Answer 1

Answer:

a. Water bacome less dense as air is trapped inside it