Question

Answer it

1. Who invented the cell ??

2. What happens in displacement reaction?? ​

Answer 1

Answer:

1. Robert Hooke in 1665

2.in displacement reaction the lower reactivity metal seperate from other metal and joined with higher reactivity metal .

eg CUSO4 + Fe = FeSO4 + CU

Answer 2

Answer:

your answer is here Charu..

1) Robert Hook...was a first person to invent a dead cell from a cork of the tree...

2)in displacement reaction , higher reactive metal displaces lower reactive metal.

HOPE THIS WILL HELP U CHARU

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