Question

how to solve it how​

Answer 1

Answer:

Here is ur answer

Explanation:

1:Gold and silver

2:Hydrogen gas

2:Almunium,iron and zinc

3:It is stored under water to prevent exposure to the air

last question is not properly visible....

Answer 2

Answer:

Here is ur answer

Explanation:

1:Gold and silver

2:Hydrogen gas

2:Almunium,iron and zinc

3:It is stored under water to prevent exposure to the air

last question is not properly visible....

Explanation: