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Varied Topic Questions, Exercises of Chemistry

Chemistry

Varied Topic Questions Great for Practice in OCR

Typology: Exercises

2025/2026

Uploaded on 06/17/2026

ari-hg9
ari-hg9 🇬🇧

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OCR A Level Chemistry A
Writing Balanced Equations Practice
Total marks: 24
Write balanced equations including state symbols.
Question 1 – Metals and Water (4 marks)
(a)
Magnesium reacts slowly with cold water.
Write the balanced equation.
(2 marks)
(b)
Calcium reacts with cold water.
Write the balanced equation.
(2 marks)
Question 2 – Metals and Acids (4 marks)
(a)
Magnesium reacts with dilute hydrochloric acid.
Write the balanced equation.
(2 marks)
pf3

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OCR A Level Chemistry A

Writing Balanced Equations Practice

Total marks: 24 Write balanced equations including state symbols.

Question 1 – Metals and Water (4 marks)

(a)

Magnesium reacts slowly with cold water. Write the balanced equation. (2 marks)

(b)

Calcium reacts with cold water. Write the balanced equation. (2 marks)

Question 2 – Metals and Acids (4 marks)

(a)

Magnesium reacts with dilute hydrochloric acid. Write the balanced equation. (2 marks)

(b)

Calcium reacts with dilute nitric acid. Write the balanced equation. (2 marks)

Question 3 – Oxides and Water (4 marks)

(a)

Magnesium oxide reacts with water. Write the balanced equation. (2 marks)

(b)

Calcium oxide reacts with water. Write the balanced equation. (2 marks)

Question 4 – Carbonates (6 marks)

(a)

Magnesium carbonate decomposes on heating. Write the balanced equation. (2 marks)

(b)