Selina solutions

Selina solutions

Grade 8

Matter | Objective Questions

Question 1

Q1) Write true false for each statement

(a) The temperature of a substance remains unaffected during its change of state.

(b) Ice melts at 100°C.

(c) Water at 100°c has more heat than the steam by 100°C

(d) Evaporation of a liquid causes cooling.

(e) Water evaporates only at 100°C.

(f) Boiling takes place at all temperature.

(g) Evaporation takes place over the entire mass of the liquid.

(h) The process of a gas converting directly into solid is called vaporization.

(i) At high altitude water boils above 100°C.

(j) The melting point of ice is 0°C.

Solution:

(a) True

(b) False

(c) False

(d) True

(e) False

(f) False

(g) False

(h) False

(i) False

(j) True

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subject-cta

Question 1

Q1) Write true false for each statement

(a) The temperature of a substance remains unaffected during its change of state.

(b) Ice melts at 100°C.

(c) Water at 100°c has more heat than the steam by 100°C

(d) Evaporation of a liquid causes cooling.

(e) Water evaporates only at 100°C.

(f) Boiling takes place at all temperature.

(g) Evaporation takes place over the entire mass of the liquid.

(h) The process of a gas converting directly into solid is called vaporization.

(i) At high altitude water boils above 100°C.

(j) The melting point of ice is 0°C.

Solution:

(a) True

(b) False

(c) False

(d) True

(e) False

(f) False

(g) False

(h) False

(i) False

(j) True

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subject-cta
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