Question

(b) a solid
[x8=4]
I. Choose the most appropriate answer.
1. If you heat a liquid, it will ultimately change into
(a) a gas
(c) neither solld nor gas it will always remain a liquid
(d) either a solid or a gas depending on temperature.
2. When you touch a cold object
(a) heat flows from your body to the object.
(b) heat flows from the object to your body.
(c) temperature flows from your body to the object.
(d) temperature flows from the object to your body.
3. Which of these is the best conductor of heat?
(a) water
(b) iron
(C) alcohol
(d) nitrogen.
4. Which of these is the best insulator of heat?
(a) water
(b) iron
(C) alcohol
(d) nitrogen.
5. Which of these is a Saprophyte?
(a) mushroom
(b) pitcher plant
(c) dodder
(d) Venus flytrap.
6. There are about 118 different
(a) molecules
(b) elements
(c) compounds
(d) mixtures
7. Which of the following is not a mixture?
(a) pure water
(b) soil
(c) sea water
(d) air
8. Temperature is measured by measuring expansion on heating. Expansion in which of
these is most commonly used?
(a) gas
(b) solid
(C) liquid
(d) None of these.
II. Answer the following questions.
[3x7=21]
TAYritat​

Answer 1

Answer:

1. a

2. a not sure

c iron

4. nitrogen

5. I don't know

6. I don't know

7.a pure water

8. I don't know