Question

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Big question so 20 points
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Answer 1

Answer:

hii I think that it helps you

Explanation:

1. iron filling , sulphuric acid

2. When dilute sulphuric acid is added to the mixture of iron filings and sulphur, the iron part reacts with sulphuric acid and hydrogen gas is produced which is a colourless and odourless gas.

3.Hydrogen gas is evolved dilute hydrochloric acid is added to a reactive metal. When iron reacts with dilute H2SO4. iron (II) sulphate with the evolution of hydrogen gas is formed.