Class 10 Science — Chapter 2: Acids, Bases and Salts
68 practice questions · 23 Easy · 23 Medium · 22 Hard
Free NCERT-aligned multiple-choice practice for Class 10 Science, Chapter 2 (Acids, Bases and Salts). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 68.
Sample questions
The pH of a neutral solution is:
On the 0–14 pH scale, 7 is neutral. <7 acidic, >7 basic.
Which has the lowest pH?
Lemon juice (citric acid) has pH ~2 — most acidic of the four.
When water is added to a concentrated acid, what happens to the H⁺ ion concentration and pH?
Dilution lowers H⁺ concentration; pH = −log[H⁺] therefore rises (toward 7).
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