verification of law of conservation of energy with diagram.
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8. Read the following and answer the questions given below:
Salt of a strong acid and strong base is neutral with a pH value of 7. NaCl (common salt) is
formed by a combination of hydrochloride and sodium hydroxide solution. This is the salt
that is used in food. Some salt called rock salts bed of rack salt was formed when seas of
bygone ages dried up. The common salt thus obtained is an important raw material for
various materials of daily use, such as sodium hydroxide, baking soda, washing soda,
bleaching powder
1 x 5 = 5
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