Question

explain chemical effect of electric current​

Answer 1

Answer:

Chemical effect of the electric current: The passage of an electric current through a conducting solution causes chemical reaction. That may cause formation of bubbles of a gas on the electrodes, deposites of metal on electrodes, changes of colour of solutions etc.

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Answer 2

Answer:

example, metals like copper and alu inium.

• The materials which do not allow electric current to pass through them easily are called poor conductor of electricity. For example, rubber, plastic and wood.

• Due to the h eating effect of current, the filament of the bulb of the tester gets heated to a high temperature and it starts glowing.

• If the current through a circuit is too weak, the filament does not get heated sufficiently and it does not glow.

• LED (Light Emitting Diodes) can be used in place of the electric bulb in the tester, LED glows even when a weak electric current flows through it.

• s electric current produces magnetic current, a tester can be prepared by using a compass needle. The deflection of the magnetic needle can be seen, even when current is small.

• Distilled water is poor conductor of electricity. Water collected from taps, hand pumps, wells and ponds is not pure m d contain dissolved salts so it is good conductor of electricity.

collected from taps, hand pumps, wells and ponds is not pure m d contain dissolved salts so it is good conductor of electricity.• Most liquids that conduct electricity are solutions of acids, bases and salts.

collected from taps, hand pumps, wells and ponds is not pure m d contain dissolved salts so it is good conductor of electricity.• Most liquids that conduct electricity are solutions of acids, bases and salts.• Chemical effect of the electric current: The passage of an electric current through a conducting solution causes chemical reaction. That may cause formation of bubbles of a gas on the electrodes, deposites of metal on electrodes, changes of colour of solutions etc.

collected from taps, hand pumps, wells and ponds is not pure m d contain dissolved salts so it is good conductor of electricity.• Most liquids that conduct electricity are solutions of acids, bases and salts.• Chemical effect of the electric current: The passage of an electric current through a conducting solution causes chemical reaction. That may cause formation of bubbles of a gas on the electrodes, deposites of metal on electrodes, changes of colour of solutions etc.• Electroplating: The process of depositing a layer of any desired metal on another