princessva26 princessva26

08-05-2024
Physics

Answered

1.
a) Give one reason for taking each of the
following precautions in the laboratory:
i. a large piece of sodium metal is not
dropped into a beaker of water;
ii. water is not added to concentrated
sulphuric acid;
iii. unknown gas is not smelled with the
nostrils close to the mouth of the test tube
containing the gas;
iv. food is not eaten in the laboratory.

Answer :

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