A solid, t, was placed in an excess of the liquid u. a colourless gas was given off and a white precipitate was seen. the precipitate was not t. what could be the identities of t and u?
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Solid t is most likely to be calcium
Liquid u is most likely to be water
Calcium reacts with water to produce hydrogen gas, which is colourless, and calcium hydroxide.
The calcium hydroxide form a cloudy white precipitate.
Liquid u is most likely to be water
Calcium reacts with water to produce hydrogen gas, which is colourless, and calcium hydroxide.
The calcium hydroxide form a cloudy white precipitate.
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