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Neutralisation reactions - Free MCQ Practice Test with solutions,


MCQ Practice Test & Solutions: Test: Neutralisation reactions (10 Questions)

You can prepare effectively for Class 7 Year 7 Chemistry (Cambridge) with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Neutralisation reactions". These 10 questions have been designed by the experts with the latest curriculum of Class 7 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 20 minutes
  • - Number of Questions: 10

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Test: Neutralisation reactions - Question 1

What is the chemical reaction that occurs during neutralisation?

Detailed Solution: Question 1

During neutralisation, an acid reacts with a base to form water and a salt.

Test: Neutralisation reactions - Question 2

Which substance increases the pH of a solution?

Detailed Solution: Question 2

Sodium hydroxide is a base that increases the pH of a solution when added to an acidic solution.

Test: Neutralisation reactions - Question 3

What is the pH of a neutral solution?

Detailed Solution: Question 3

A neutral solution has a pH of 7, indicating a balance between acidity and alkalinity.

Test: Neutralisation reactions - Question 4

Which indicator is commonly used to test for acids and bases?

Detailed Solution: Question 4

The universal indicator is commonly used to test acids and bases. It shows a wide range of colors that correspond to pH values, making it more informative than simple litmus paper.

Test: Neutralisation reactions - Question 5

What happens to the pH of a solution when an acid is neutralised with a base?

Detailed Solution: Question 5

When an acid is neutralised by a base, the pH of the solution moves closer to 7 (neutral). The final pH depends on the strengths and amounts of acid and base used.

Test: Neutralisation reactions - Question 6

Which gas is produced when acids react with certain metals?

Detailed Solution: Question 6

Acids reacting with metals like zinc or magnesium produce hydrogen gas.

Test: Neutralisation reactions - Question 7

What is the name of the compound formed in a neutralisation reaction between hydrochloric acid and sodium hydroxide?

Detailed Solution: Question 7

Hydrochloric acid and sodium hydroxide neutralise to form sodium chloride (table salt) and water.

Test: Neutralisation reactions - Question 8

Which of the following is a common household acid?

Detailed Solution: Question 8

Lemon juice contains citric acid, making it acidic.

Test: Neutralisation reactions - Question 9

How does adding a base to an acidic solution affect its taste?

Detailed Solution: Question 9

Bases neutralise the sour taste of acids. After neutralisation, the acidic taste reduces, making the solution less sour or neutral, but not necessarily sweet.

Test: Neutralisation reactions - Question 10

What role do antacids play in neutralising stomach acid?

Detailed Solution: Question 10

Antacids neutralise excess stomach acid, providing relief from heartburn and indigestion.

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