Science class 8 ch chemical effects of current ncert

Most liquids that conduct electricity are the solution of ....... ?

• Acids

• Bases

• Salts

• I think all of these

The passage of an electric current through a solution causes____ effects.

• Solid

• Chemical

• No effects

• Electric effects

Process of depositing the layer of other metal___?

• Conducting

• Charging

• Electroplating

• Layer depositing

Riddle

I am just like bulb but smaller i can conduct light in low electricity and i am very popular, who am i ?

• Small bulb

• Battery

• Compass

• LED

If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the ____ terminal of the battery.

• Positive

• Negitive

• Both

• None

This quiz is created by abhinav solanki, what do you think about the quiz ?

Is lemon juice a good conductor ?

• Yes

• No

• Dont know ?

• In some cases

Is honey a good conductor ?

• No

• Yes

• Dont know

• In some cases

Riddle

I can be used in a circuit just like bulb but i can show whether the electricity is being conducted or not even if it has low power electricity, who am i ?

• Bulb

• Acid

• Compass

• Dont know