Write balanced chemical equations to show:
The behavior of H₂SO₄ as an acid when it reacts with Magnesium.

Write balanced chemical equations to show:
The dehydrating property of conc. Sulphuric acid with sugar.

Write balanced chemical equations to show how SO₃ is converted to Sulphuric acid in the contact process.

Propane burns in air according to the following equation,
C₃H₈ + 5O₂ → 3CO₂ + 4H₂O
What volume of propane is consumed on using 1000 cm³ of air, considering only 20% of air contains oxygen?

The mass of 11.2 litres of a certain gas at s.t.p. is 24 g. Find the gram molecular mass of the gas.

A gas cylinder can hold 1 kg of hydrogen at room temperature and pressure.

Find the number of moles of hydrogen present.

A gas cylinder can hold 1 kg of hydrogen at room temperature and pressure

What weight of CO2 can the cylinder hold under similar conditions of temperature
and pressure? (H = 1, C = 12, O = 16)

A gas cylinder can hold 1 kg of hydrogen at room temperature and pressure
i. If the number of molecules of hydrogen in the cylinder is X, calculate the number of CO₂ molecules in the cylinder under the same conditions of temperature and pressure.

ii. State the law that helped you to arrive at the above result.

59.

Write a balanced chemical equation for the preparation of the following salts:
Copper carbonate

Write a balanced chemical equation for the preparation of the following salts:
Ammonium sulphate crystals