Chemistry, asked by ranjitkujur2017, 4 months ago

guys please help me with this question and whoever will give me the answer I will mark them as brainliest but I don't want useless answers

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Answered by sreebhadra2006

2

Answer:

HCOOH ---con H2SO4--------> CO+H2O
CuO+H2SO4-------> CuSO + H2O
NaCl+ H2SO4( conc.) ---heat ------> NaHSO4 +HCl

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