Chemistry 0620 · IGCSE · The characteristic properties of acids and bases

The characteristic properties of acids and bases — practice question

When dilute nitric acid is poured onto a solid, F, a gas, G, is given off. This gas is heavier than air and puts out a burning splint. What are F and G?

  • Acalcium; hydrogen
  • Bcalcium carbonate; carbon dioxide
  • Ccalcium hydroxide; hydrogen
  • Dcalcium oxide; carbon dioxide

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