Fill in the blanks:
(i) When carbondioxide is passed through lime water, it turns milky due to formation of ………
(ii) The chemical name of baking soda is ……
(iii) Two methods by which rusting of iron can be prevented are ………. and ………..
(iv) Changes in which only …………. properties of a substance change are called physical
changes.
(v) Changes in which new substances are formed are called ……… changes.