Chemistry, asked by subhankarsen98, 1 year ago

3. Which of the following equations represent a
double displacement reaction?
(a) CaO + H2O ---》 Ca(OH)2
(b) CaCO3 ---- Heat---》 CaO + CO2
(c) Zn + CuSO4 → ZnSO4 + Cu
(d) Pb(NO3)2 + 2Kl ----》 Pbl2 + 2KNO3

Answers

Answered by harshdhakecr7

1

Answer: c and d

Explanation:

Answered by rautvicky

2

Answer:

Pb(NO3)2+ 2KI--- PbI2+2KNO3

Explanation:

because K is more reactive than Pb so it displaces Pb from its compound

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