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Chemical Reactions

Types of chemical reactions, balancing equations, acids, bases, salts, and redox

Sample Practice Questions

A catalyst:
- Slows a reaction
- Is always consumed
- Speeds up a reaction without being consumed
- Changes the products
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Answer: Speeds up a reaction without being consumed
Which gas turns limewater milky?
- SO₂
- CO
- CO₂
- H₂
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Answer: CO₂
Metals react with acids to produce:
- Salt and water
- Oxide and acid
- Salt and hydrogen gas
- Only salt
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Answer: Salt and hydrogen gas
Stainless steel is resistant to corrosion because it contains:
- Copper
- Chromium
- Manganese
- Vanadium
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Answer: Chromium

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Practice Questions

Practise NSO questions on Chemical Reactions. Answers are revealed after each question.

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Frequently Asked Questions

What does Chemical Reactions cover in the NSO exam?

Types of chemical reactions, balancing equations, acids, bases, salts, and redox.

How can I practise NSO Chemical Reactions questions for free?

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