Question

Give a suitable word or phrase for the following:-
1. The hydroxides or oxides of metals
2. The amount of substance which contains the same number of units as the number of atoms in 12g of carbon-12

Answer 1

1. is bases
2. is mole

Answer 2

hiii friend
here is your answer
The hydroxides or oxides of metals are called bases
e.g. KOH and NaOH
The amount of substance which contains the same number of units as the number of atoms in 12g of carbon-12 is called one mole of carbon.


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