Fill in the blanks in the following statements:
(a) When carbon dioxide is passed through lime water, it turns milky due to the formation of _________.
(b) The chemical name of baking soda is _________.
(c) Two methods by which rusting of iron can be prevented are _________ and
____ ____.
(d) Changes in which only _____ __ properties of a substance change are called physical changes.
(e) Changes in which new substances are formed are called _________changes.
Question 15
Fill in the blanks in the following statements using the words given in the box (a) Making sugar solution is a …………………. change (b) A physical change is generally …………………….. (c) Grinding of wheat grain changes its size. It is a …………….. change. (d) Iron benches kept in lawns and gardens get ……………… it is a ……………. (e) change because a new ……………… is formed