Question

3.
When a metal reacts with oxygen, the resulting oxide of the metal -
is a neutral oxide
turns blue litmus red
is a acidic oxide
is a basic oxide​

Answer 1

TURNS BLUE LITMUS RED

HOPE IT HELP YOU

Answer 2

is a basic oxide

Metal oxides are basic in nature, thus, oxide formed by metal turns red litmus blue. Oxide of non-metal turns blue litmus red as most of non-metallic oxides are acidic..

this is core

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