Strength of acids and bases - I — task. Chemistry CBSE Live product, Class 10 (2026-27).

Select the best answer:

1. When an acid solution is diluted, what happens to the hydronium ions (\(H_3O^+\))?

The concentration of hydronium ions per unit volume decreases
The concentration of hydronium ions per unit volume increases
The concentration of hydronium ions per unit volume remains the same
The concentration of hydroxide ions per unit volume decreases

2. Which of the following acids produces the largest number of \(H^+\) ions when dissolved in water?

Sulphuric acid (\(H_2SO_4\))
Carbonic acid (\(H_2CO_3\))
Hydrochloric acid (\(HCl\))
Nitric acid (\(HNO_3\))

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