Matter questions | form one Chemistry

(3913) Question Category: Short answers

When you melt a piece of iron, it undergoes:
A. sublimation
B. physical change
C. chemical change
D. combination

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(4334) Question Category: Short answers

What is Unsaturated solution?

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(4335) Question Category: Short answers

What is Thermal decomposition?

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(4339) Question Category: Short answers

Suggest one method of separating each of the following:
(i) Green solution from leaves.
(ii) Alcohol from water.

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(4342) Question Category: Short answers

Write the names of the following processes of changing matter from one state to another.
(i) Gas to liquid.
(ii) Gas to solid.
(iii) Solid to gas.

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