Advertisements
Advertisements
Question
Boojho’s uncle has set up an electroplating factory near his village. He should dispose off the waste of the factory
Options
in the nearby river
in the nearby pond
in the nearby cornfield
according to the disposal guidelines of the local authority
Advertisements
Solution
according to the disposal guidelines of the local authority
Explanation:
In electroplating factory, the disposal of the used conducting solution is a major concern because it is a polluting waste, therefore it should be disposed off according to the disposal guidelines of the local authority.
APPEARS IN
RELATED QUESTIONS
If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the ______ terminal of the battery.
Name three liquids, which when tested in the manner shown in Figure, may cause the magnetic needle to deflect.

Prepare a list of objects around you that are electroplated.
An electric current can produce
Boojho and Paheli performed experiments taking similar bulbs and cells but two different solutions A and B as shown in the following figure.
![]() |
![]() |
| Boojho's Experiment | Paheli's Experiment |
| (A) | (B) |
They found that the bulb in the setup A glows more brightly as compared to that of the setup B. You would conclude that
Which of the following metals is used in electroplating to make objects appear shining?
A chemical reaction happens when electricity passes through various conducting liquids.
The terminal which is connected to a positive terminal of a battery is called ______.
Liquids that conduct electricity are the solutions of ______.
Match the following
| 1. | Anode | a. | Conducting solution |
| 2. | Cathode | b. | Positive terminal |
| 3. | Ions | c. | Negative terminal |
| 4. | Electrolyte | d. | Positively or negatively charged |


