Chemistry · May / June 2019 · Paper 12 · Question 25
5070Reversible reactions and equilibrium
Which uses for sulfuric acid are correct? 1 as a bleach in the manufacture of wood pulp for paper 2 as a food preservative in tinned foods 3 as a raw material in the manufacture of detergents 4 as a fertiliser
- A1 and 3
- B2 and 4
- C2 only
- D3 only
As printed in the paper
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Correct answer: D. 3 only
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