Give a Balanced Chemical Equation for the Reaction.

Give a balanced chemical equation for the reaction.

Zn + 2 HCl → ZnCl₂ + H₂ (g)

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पाठ 7: Hydrogen - Exercise [पृष्ठ ९९]

पाठ 7 Hydrogen
Exercise | Q 6. (b) | पृष्ठ ९९

Indicate which of the following statement is true and which is false:

The hydrogen molecule is monovalent.

Complete and balance the following equation:

H₂+____________→ 2HCI

Give reason for the following:

Helium replaced hydrogen in weather observation balloons?

State four uses of hydrogen:

Multiple Choice Question

Hydrogen is responsible for producing

Choose the correct option:

The composition of the nucleus of deuterium is

Give equations for the reactions.

Using a burning candle and a jar of hydrogen – how would you prove experimentally that Hydrogen is a combustible gas.

What do the following symbols [or formula] denote : 2H ; H₂ ; H⁺. [two atoms, molecule, ion]

Complete and balance the following equations:

Al + NaOH + ____ → ____ + ____