Question

Fill in the blanks:
(1)Most of the metals react with oxygen and form _
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Answer 1

Most of the metals react with oxygen and form metal - oxides .

For example :-

When magnesium metal burns in air then it reacts with oxygen present in air to form magnesium oxide .

$\sf{2Mg \ (s) + O_{2} \ (g) \longrightarrow 2MgO (s)} \\\sf {Magnesium + Oxygen \longrightarrow Magnesium \ oxide}$

Hope it  helps  you

Answer 2

Answer:

the answer will be OH-2. this will be my answer.