Question

properties of a substance changes
Trueltane
due to the formation of
3 Fill in the blanks in the following statements:
(a) When carbon dioxide is passed through lime water it turns
(b) The chemical name of baking soda is
ic) Two methods by which rusting of iron can be prevented are
ſe) Changes in which new substances are formed are called
and
(d) Changes in which only
are called physical changes.
changes.​

Answer 1

Answer:

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Answer 2

Explanation:

(a) When carbon dioxide is passed through lime water, it turns milky due to formation of calcium carbonate.

(b)The chemical name of baking soda is sodium hydrogen carbonate.

(c) Two methods by which rusting of iron can be prevented are painting and galvanization.

(d) Changes in which only physical properties of a substance change are called physical changes.

(e) Changes in which new substances are formed are called chemical changes.