The products of a burning candle were passed through a tube containing calcium oxide as shown in the diagram below.

The products of a burning candle were passed through a tube containing calcium oxide as shown in the diagram below.

(a) Write two chemical equations for the reactions that took place in tube P.
(b) Name two gases that came out through tube R.

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b) Excess oxygen and nitrogen/helium/neon/argon.

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sharon kalunda answered the question on March 26, 2019 at 13:44

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