Question

If 30ml of. H², and 20ml, of O, reacts to form water. What is left at the end of the reaction?​

Answer 1

Answer:

acid

Explanation:

acid left because acid is dangerous liquid

Answer 2

Answer:

5 ml of Oxygen will left (GAS)⬆️

Explanation:

30 ml: H²

20 ml: O

means,

They are in the ratio 2:1, as two hydrogen atom ( 2 ) and one oxygen atom ( 1 ).

Therefore,

30 ml of H will need only 15 ml of O.

The rest 5 ml of Oxygen will be a residue in form of gas...