Question

uns
11
1
.................
.
a. to 4 b. 0 to 4 -10 to 20 d. - 4 to 4
4. In cold countries in winter, water carrying pipes sometimes break, because ...
a. volume of water reduces if the temperature is reduced below 0°C.
b. air pressure increases.
c. the steel pipes become brittle due to reduced temperature below 0°C.
d. volume of water increases if the temperature is reduced below 0 °C.
5. Street ice cream vendors remove the water in their freezing mixture intermittently, as a resta
of which
a. the temperature of the freezing mixture increases.
b. the temperature of the freezing mixture remains constant.
c. the temperature of the freezing mixture reduces further.
d. the weight of the freezing mixture reduces.​

Answer 1

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