Which of the following is a strong electrolyte?

What is the oxidation state of sulfur in H₂SO₄?

Which gas is evolved when zinc reacts with dilute hydrochloric acid?

Which of the following has the highest pH?

What is the molecular geometry of methane (CH₄)?

Which metal is stored under kerosene to prevent reaction with air?

What is the role of a catalyst in a chemical reaction?

Which of the following compounds contains an ionic bond?

The number of moles in 22.4 liters of a gas at STP is:

Which indicator is used to detect acidic or basic nature in a solution?