Class 10 / Science
Class 10 Science Acids, Bases and Salts Worksheet
Practice indicators, pH, neutralisation, reactions of acids and bases, and common salts.
advanced45 minutesAnswer key included
Learning objective
Practise definitions, observations, reactions, pH reasoning, and common compounds from Acids, Bases and Salts.
Questions
- What is an acid? Give one example.
- What is a base? Give one example.
- What happens when an acid reacts with a metal?
- Write the general reaction of acid with metal carbonate.
- Why is pH important in everyday life?
- What is neutralisation?
- Name two natural indicators.
- Write two uses of baking soda.
- What is plaster of Paris?
- Why should curd not be kept in copper vessels?
Answer key
Show suggested answers
- An acid produces hydrogen ions in aqueous solution; example: hydrochloric acid or lemon juice.
- A base produces hydroxide ions in aqueous solution; example: sodium hydroxide or soap solution.
- Acid reacts with many metals to form salt and hydrogen gas.
- Metal carbonate + acid -> salt + carbon dioxide + water.
- pH is important in digestion, soil treatment, tooth decay prevention, and everyday substances.
- Neutralisation is acid + base -> salt + water.
- Litmus and turmeric are natural indicators.
- Baking soda is used in baking and as an antacid.
- Plaster of Paris is calcium sulphate hemihydrate, used for casts and moulds.
- Curd is acidic and can react with copper to form harmful substances.
How to use this worksheet
Students can solve the questions independently first, then review errors with a parent or teacher. Teachers can use it as a short class activity, homework sheet, or revision check.
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