HARD
8th CBSE
IMPORTANT
Earn 100

Differentiate between electrolytes and non-electrolytes. Give two examples of each and describe an experiment to identify them as electrolytes and non-electrolytes.

Important Questions on Chemical Effects of Current

EASY
8th CBSE
IMPORTANT

A liquid that conducts electricity due to the presence of ions is called a/an _____ .

HARD
8th CBSE
IMPORTANT

Describe an experiment to show the chemical effect of current.

HARD
8th CBSE
IMPORTANT

How are the chemical effects of electric current put to use by humans?

MEDIUM
8th CBSE
IMPORTANT

What are the uses of electroplating?

MEDIUM
8th CBSE
IMPORTANT

Describe how you electroplate an iron spoon with copper.

MEDIUM
8th CBSE
IMPORTANT

The electric supply should be disconnected from the mains in case of seepage of water near an electrical point. Why?

MEDIUM
8th CBSE
IMPORTANT
The inside of a fruit such as an orange conducts electricity. What enables it to conduct electricity?
MEDIUM
8th CBSE
IMPORTANT

In the experiment on plating an iron key with copper, what changes will you observe in the mass of the electrodes (the key and the copper plate) before and after the experiment? Will there be a change in the mass of the electrolyte? Draw the circuit diagram of the setup used to electroplate an iron spoon with copper.