GENERAL KNOWLEDGE

GK

GENERAL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What causes a change in the state of matter?
A
physical properties
B
chemical energy
C
temperature
D
None of the above
Explanation: 

Detailed explanation-1: -When thermal energy is added to a substance, its temperature increases, which can change its state from solid to liquid (melting), liquid to gas (vaporization), or solid to gas (sublimation).

Detailed explanation-2: -When the temperature of the gas rises, the kinetic energy of the gas molecules and the pressure exerted on the containing vessel also increases. The effect on the gaseous state is much higher as compared to solid and liquid states. So, the gaseous state is most affected by temperature change. More items

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