Chemistry
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 in its chemical structure.
(g) A property due to which a substance absorbs water without dissolving.
(h) Water molecules in loose chemical combination with other substances.
Related Questions
Write true or false for the following statements and correct the false ones.
(a) Hard water forms lather easily with soap.
(b) Permanent hardness is due to bicarbonate salts of calcium and magnesium.
(c) Silica gel is a drying agent.
(d) The reaction of steam with magnesium produces hydrogen gas and magnesium hydroxide.
(e) An example of a colloid is ink.
Match the statements in column A with that in column B.
Column A Column B deliquescent substance sodium bicarbonate hygroscopic substance magnesium chloride efflorescent substance conc. sulphuric acid substance causing temporary hardness washing soda Define:
(a) Soft water
(b) Hard water
Name three water borne diseases.