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Identifying the products of chemical reactions

Identifying the products of chemical reactions

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Question 19

A student investigates the gaseous products of four different reaction mixtures. Which of the following reaction mixtures produces a gas that turns damp red litmus paper blue?

A

Heating solid (NH4)2SO4(\text{NH}_4)_2\text{SO}_4(NH4​)2​SO4​ with warm aqueous NaOH\text{NaOH}NaOH

B

Adding dilute HCl\text{HCl}HCl to solid KHCO3\text{KHCO}_3KHCO3​

C

Reacting Mg\text{Mg}Mg ribbon with dilute HCl\text{HCl}HCl

D

Adding concentrated H2SO4\text{H}_2\text{SO}_4H2​SO4​ to solid NaCl\text{NaCl}NaCl

Markscheme

Identifying the products of chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /Identifying the products of chemical reactions

41 exam-style questions on OCR GCSE Chemistry Identifying the products of chemical reactions. Each one has a worked solution and a mark scheme showing where the marks go.

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