Give one word / words for the following statements :
(a) Water fit for human consumption____________
(b) The harmful substances dissolved in water_______________
(c) The change of states of water from one form to another _____________________
(d) The gaseous form of water found in air _______________
(e) A mixture of common salt and ice _______________
(f) A substance which does not contain water __________________
(g) A property due to which a substance absorbs water without dissolving _______________
(h) Water molecules in loose chemical combination with other substances__________________
Question 13.4
A list of words is given in a box. Use appropriate words to fill up the blanks in the following statements.
Air, oxygen, wind, water vapour, mixture, combination, direction, road, bottles, cylinders.
Mountaineers carry oxygen ___ with them, while climbing high mountains.
The number of water molecules, which enter in a loose chemical combination with one molecule of a substance is called _______________.
Give one word/a a few words for each of the following.
The substance with fixed chemical and physical properties.