Question

The diagram shows the reaction between metal and dil. acid.

What is the reason for different behaviour of Mg in test tube B?

Options

• Mg is lighter element than dil. HCl

• Mg reacts with dil. HCl to produce H₂ gas which helps in floating

• 2011Mg reacts with dil. HCl to produce N₂ gas which helps in floating

• Mg reacts with dil. HCl to produce CO₂ gas which helps in floating

Answer 1

Mg reacts with dil. HCl to produce H₂ gas which helps in floating