Class 7 Science: Acids, Bases, and Salts Worksheet

This worksheet will help students test their understanding of the basic properties, examples, and uses of acids, bases, and salts, and the concept of neutralization.

Class 7CBSESciencemediumPractice

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Preview · 10 questions

Q1. Which of the following is an example of a natural indicator?
- Methyl orange
- Phenolphthalein
- Litmus
- Turmeric solution
Q2. A substance that tastes sour and turns blue litmus red is generally a/an:
- Acid
- Base
- Salt
- Indicator
Q3. When an ant bites, it injects which acid into the skin?
- Hydrochloric acid
- Sulphuric acid
- Formic acid
- Lactic acid
Q4. Bases are generally ____ in taste and feel ____ to touch.
Q5. Which of the following is used to treat indigestion caused by excess acid in the stomach?
- Acetic acid
- Sodium chloride
- Magnesium hydroxide
- Citric acid

+ 5 more in the printable PDF.