Question

Answer rhe question plz plz plz


(que1)In which medium the transmission of air is not possible?

que2) what is the speed of sound at 0 degreee c in air?

que3)Time taken to complete one vibration is called __---

que3) ___ plate is connected to the positive terminal of the battery.


que4) which wires are best for making fuse wires?

que5) what is earthing wire?

que6) Write 2 causes of short circuit.

que 4.
nh3 (g) plus hcl ---> nh4 cl(s) is an example of-------

que7
explain the following reactions using example.
1)reduction
2)displacement

8 example of metal react with water.
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Answer 1

Answer:

Ans 3-time period, silver plate

Answer 2

Answer:

(que1)In which medium the transmission of air is not possible?

que2) what is the speed of sound at 0 degreee c in air?

que3)Time taken to complete one vibration is called __---

que3) ___ plate is connected to the positive terminal of the battery.

que4) which wires are best for making fuse wires?

que5) what is earthing wire?

que6) Write 2 causes of short circuit.

que 4.

nh3 (g) plus hcl ---> nh4 cl(s) is an example of-------

que7

explain the following reactions using example.

1)reduction

2)displacement

8 example of metal react with water.