Chemistry, asked by subhankarsen98, 11 months 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

Previous Question

Next Question

Similar questions

Math, 6 months ago

18. the quotient got by dividing the place value of 6 with place value of 2 in 13,64,230? O 150 O 300 O 600 O 60,200 Required...

Math, 6 months ago

6x² + 4x+ 1=0 find roots...

Geography, 6 months ago

................ is one of the largest underground caves in the world located in a remote area of the Selma Plateau in Oman. answer please ...

Math, 11 months ago

9. If logos, t° -14 logo, *'+40log., Vx = 0, then one possible value of (a) 72 (d) none of these te. If 5 <1, then x e (a) (0, 2) 02.0) (d) none of these (c) (0,) 11. If log (x - 10x + 22) > 0, then xe fat (3,5-13) (7,00) (C) (3,00) (b) (3,5+13) U (13) (d) (3,5-13) (6,) 12. (d) none of these If log 2 = 0.301 and log 3 = 0.477, then the number of digits in 60 is (a) 14 (b) 15 Det 16 The...

Physics, 11 months ago

1. A ball is thrown straight up and caught after 2 seconds. Which of the following are true if acceleration due to gravity is 10 m/s2 and air resistance can be neglected. (a The acceleration at the highest point is 10 m/s2. (b) The time taken, in the upward and downward parts of the motion, is not equal. (c) The maximum height does not depend on acceleration due to gravity. (d) The...

English, 1 year ago

please say me the personification of cold.

Math, 1 year ago

Pairs of whole numbers whose sum is -3...

English, 1 year ago

direct and indirect speech...