Chemistry
When a substance is heated, it can:
- undergo a chemical change
- change its state
- show expansion
- all of the above
Matter
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Answer
all of the above
Reason — Heating causes substance to change its physical state as well as bring about a chemical change. All the three states of matter expands on heating, which is referred as thermal expansion. Hence, all the options are correct.
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Related Questions
The process by which a solid changes into a liquid is called :
- freezing
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(b) Any matter which has a definite …………… but no definite shape is called a …………….
(c) …………… and …………… can flow.
(d) The molecules are at a greater distance in …………… as compared to liquids.
(e) Water boils at …………… °C.
(f) The physical state of a substance, which has neither fixed volume nor fixed shape is a ……………
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(b) If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely. ……………
(c) Solids have the largest inter-molecular space. ……………
(d) There is no difference between evaporation and boiling. ……………
(e) All solids, on heating, first change to liquid and then to the gaseous state. ……………
(f) The intermolecular force of attraction is the weakest in gases. ……………
(g) A gas has no free surface. ……………