Question

4. Which important property of water makes it
useful as a coolant? Briefly explain.
5. What is the principle of the method of mixture?
6. Distinguish between conductors and insulators
heat.
7. Define:
a. Melting point
b. Boiling point
c. Condensation point
d. Freezing point
8. The melting and freezing point of water are
the same. What determines whether ice at
0 °C will melt or not?
9. What is latent heat?
10. Define specific latent heat of fusion and
specific latent heat of vaporisation.
11. Why do we prefer to add ice cubes and not
ice-cold water to cool a drink?
12. Why is a burn caused by steam more severe
than a burn caused by boiling water?​

Answer 1

Answer:

4. Which important property of water makes it

useful as a coolant? Briefly explain.

5. What is the principle of the method of mixture?

6. Distinguish between conductors and insulators

heat.

7. Define:

a. Melting point

b. Boiling point

c. Condensation point

d. Freezing point

8. The melting and freezing point of water are

the same. What determines whether ice at

0 °C will melt or not?

9. What is latent heat?

10. Define specific latent heat of fusion and

specific latent heat of vaporisation.

11. Why do we prefer to add ice cubes and not

ice-cold water to cool a drink?

12. Why is a burn caused by steam more severe

than a burn caused by boiling water?

Answer 2

Answer:

The carbonate ores are changed into Oxides by heating strongly in limited air. This process is called Calcination.

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