1 The type of reaction when Ammonia reacts react with HCI
Combination
Decomposition
displacement
Double displacement
2 what happened when barium carbonate react with zinc sulphate
White fumes are formed
Yellow pips are formed
white ppt are formed
Solution become colourless
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Answer: Ans 1) Direct Combination reaction
Ans 2) White ppt is formed
Explanation: 1) When ammonia reacts with HCL, it combines to form ammonium chloride and hence this reaction is a combination reaction.
2) When barium carbonate reacts with Zinc sulphate, a white coloured precipitate (BaSo4) is formed.
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