A metal M forms a chloride which dissolves in cold water and has an oxide which dissolves in both strong acids and strong alkalis. What is M?

5070_s13_qp_11

MCQ

2013

Paper 1, Variant 1

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Which metal can react rapidly with steam but reacts only very slowly with cold water?

5070_s14_qp_11

MCQ

2014

Paper 1, Variant 1

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Which metal can react rapidly with steam but reacts only very slowly with cold water?

5070_s14_qp_12

MCQ

2014

Paper 1, Variant 2

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Brass is an alloy. Which statement about brass is correct?

5070_s15_qp_11

MCQ

2015

Paper 1, Variant 1

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Which item is made from mild steel?

5070_s15_qp_11

MCQ

2015

Paper 1, Variant 1

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The following facts are known about four metals, P, Q, R and S. R displaces both P and S from aqueous solutions of their ions. Q reacts with water but R does not react with water. S does not react with acid but P does react with acid. What is the correct order of reactivity, the most reactive first?

5070_s15_qp_12

MCQ

2015

Paper 1, Variant 2

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Which element, if attached to iron immersed in salt water, would prevent the iron from corroding?

5070_s16_qp_12

MCQ

2016

Paper 1, Variant 2

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Some metals and the compounds in their ores are shown...

5070_s17_qp_11

MCQ

2017

Paper 1, Variant 1

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After the collapse of a river bridge, a new car was immersed in the river water for several months. When it was recovered, the parts of the car made of steel, an alloy of iron, were found to be corroded. The parts made of aluminium were not corroded. Which statement explains these differences in corrosion?

5070_s17_qp_11

MCQ

2017

Paper 1, Variant 1

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The results of experiments involving four metals, W, X, Y and Z, and their ions are shown...

5070_s17_qp_12

MCQ

2017

Paper 1, Variant 2

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