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Questions and Answers
What product is formed when red hot iron reacts with steam?
What product is formed when red hot iron reacts with steam?
- Magnesium oxide
- Zinc oxide
- Aluminium hydroxide
- Triferric tetra-oxide (correct)
Which metal reacts with steam to liberate hydrogen gas and white ash?
Which metal reacts with steam to liberate hydrogen gas and white ash?
- Magnesium (correct)
- Calcium
- Aluminium
- Zinc
Which metal sinks in water and reacts vigorously with the evolution of hydrogen?
Which metal sinks in water and reacts vigorously with the evolution of hydrogen?
- Iron
- Aluminium
- Calcium (correct)
- Zinc
What are the oxides and hydroxides of zinc and aluminium?
What are the oxides and hydroxides of zinc and aluminium?
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What kind of reaction do zinc and aluminium undergo with hot concentrated alkalis?
What kind of reaction do zinc and aluminium undergo with hot concentrated alkalis?
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