Subsection 6.4. Redox for Chemistry, IGCSE - revisedeck

6.4. Redox

A subsection of Chemistry, 0620, through 6. Chemical reactions

Listing 10 of 164 questions

Potassium reacts with iodine to form potassium iodide. Which statement about potassium iodide is correct?

0620_w23_qp_12

MCQ

2023

Paper 1, Variant 2

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Potassium reacts with iodine to form potassium iodide. Which statement about potassium iodide is correct?

0620_w23_qp_22

MCQ

2023

Paper 2, Variant 2

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Magnesium reacts with copper(oxide to give magnesium oxide and copper. Which substance is the oxidising agent in this reaction?

0620_m21_qp_22

MCQ

2021

Paper 2, Variant 2

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Substance X is used to treat industrial waste. industrial waste pH 4 treated waste pH 7 X What is X and which type of reaction occurs during the treatment?

0620_s15_qp_12

MCQ

2015

Paper 1, Variant 2

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Questions Discovered

164