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Priya123
@priya123
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Joined: May 7, 2021
Last seen: Jul 27, 2023
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Topics: 2064 / Replies: 139
AllTopicsReplies
Topic
Give the construction of LED.
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 118
Topic
Why are LEDs more useful for testing the flow of electric current?
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 99
Topic
How are bridges and automobiles prevented from rusting?
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 135
Topic
What is the disadvantage of electroplating done in the factories?
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 112
Topic
If the ends of the wire of tester are touched for a long time, what will happen?
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 79
Topic
Why should you not do the experiments on electricity by using electric supply from mains?
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 135
Topic
Why the iron cans are electroplated with tin?
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 108
Topic
Why is chromium used for electroplating?
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 86
Topic
Why should you not touch electrical appliances with wet hands?
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 98
Topic
Paheli had heard that rainwater is as good as distilled water. So she collected some rainwater in a clean glass tumbler and tested it using a tester.
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 89
Topic
Most liquids that conduct electricity are solutions of …………, ………. and …………..
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 83
Topic
A child staying in a coastal region test the drinking water and also the seawater with his tester.
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 92
Topic
Is it safe for the electrician to carry out electrical repairs outdoors during heavy downpour? Explain.
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 78
Topic
In case of a fire, before the firemen uses the water hoses, they shut off the main electrical supply for the area. Explain why they do this.
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 105
Topic
Deposits can be seen in containers uses for storing water. Explain why these deposits occur.
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 113
Topic
Does pure water conduct electricity? If not, what can we do to make it conducting?
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 108
Topic
A tester is used to check the conduction of electricity through two liquids, labelled A and B.
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 87
Topic
Name three liquids, which when tested in the manner shown in figure, may cause the magnetic needle to deflect.
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 155
Topic
When the free ends of a tester are dipped into a solution, the magnetic needle shows deflection. Can you explain the reason?
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 137
Topic
Jaya sets up a circuit as given below. But the bulb does not glow. Why?
4 years ago
Forum
Chemical Effects of Electric Current
Replies: 0
Views: 380
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