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प्रश्न
Write a correctly balanced equation for the following “word equation”:
calcium + water → calcium hydroxide + hydrogen
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उत्तर
Ca + 2H2O → Ca[OH]2 + H2
संबंधित प्रश्न
Indicate which of the following statement is true and which is false:
Hydrogen gas is easily liquefiable.
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H2+____________→ 2HCI
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Helium replaced hydrogen in weather observation balloons?
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The composition of the nucleus of deuterium is
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Select the correct answer from the symbol in the bracket.
The element, which like hydrogen has one valence electron.
