IGCSE Chemistry 0971/11/M/J/21 Q28


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28 Ammonium chloride is heated with aqueous sodium hydroxide.
ammonium chloride
aqueous sodium hydroxide
damp universal
indicator paper
gentle heat
A gas is produced which turns damp universal indicator paper blue.
Which gas has been produced?
A ammonia
B hydrogen
C oxygen
D sulfur dioxide

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Answer ( 1 )


    NH4Cl + NaOH –> NaCl + NH3 + H2O

    The gas is NH3.

    Ans: A

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