Question

Fill in the blanks.
1. Metals react with
to form metallic oxides.
2. Metals like
on exposure to moisture develop a greenish coating.
3. Magnesium reacts with
and forms magnesium oxide and liberate
gas.
4. Nonmetals generally do not react with dilute
5. In a reaction, formation of hydrogen gas is indicated by
sound.​

Answer 1

Answer:

1. air

2.iron

3.water

4.do not react

5