Properties of acids and bases — task. Chemistry CBSE Live product, Class 10 (2025-26).

Select the correct answer:

1. What will happen if you add water to concentrated sulphuric acid instead of acid to water?

Reaction becomes endothermic
Violent splashing occurs because the process is highly exothermic
Nothing happens
It cools the mixture

2. Which of the following statements about concentrated and dilute bases is incorrect?

Dilute base conducts electricity less strongly than concentrated base
Concentrated base is more reactive due to higher \(OH^⁻\) ion concentration
Concentrated base contains more \(OH^-\) ions per unit volume than dilute base
Concentrated base contains fewer \(OH^⁻\) ions per unit volume than dilute base

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