Question

Select the word/s given which are required to correctly complete the blanks.

If a piece of magnesium was put into a solution M, ______ gas would be evolved.

Options

• ammonia

• ammonium carbonate

• carbon dioxide

• hydrogen

• hydronium

• hydroxide

• precipitate

• salt

• water

Answer 1

If a piece of magnesium was put into a solution M, hydrogen gas would be evolved.