Question

4. Diagram based questions:
The diagram represents the addition of iron to dilute sulphuric acid.
Iron filings
Gas 'X
IN
Salt solution
Dilute
sulphuric acid
Answer the following questions:
(a) Which type of change does take place in the above reaction?
(b) Which new substance Y' is formed?
(c) Which gas 'X' is evolved in the above reaction?
(d) What type of energy change does take place?
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Answer 1

Explanation:

a) Displacement reaction

b) Ferrous sulphate

c) Hydrogen

d) Heat energy

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