B. A current in charges change direction
Explanation: an electric current that reverses its direction many times a second at regular intervals, typically used in power supplies.
Answer:
i) 16.5g of ZnO
ii) 9.8 dm³ of NO2
Explanation:
The working is shown in the photo so kindly refer to it
Answer:
THE CORRECT ANSWER IS COMMAND.HOPE IT HELP YOU
I believe the answer is density
26. B
27. D
28. C
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