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Harshwardhan Khare
Subject: Science
, asked on 16/1/18
How can we find out weather the electric current is passed or not ????
Answer
2
Harshwardhan Khare
Subject: Science
, asked on 16/1/18
Milk is conductor or insulator. ????
Answer
1
Tiasha Chakraborty
Subject: Science
, asked on 9/1/18
An electric current is passed through a conducting solution.List any three possible observation.
Answer
1
Tiasha Chakraborty
Subject: Science
, asked on 9/1/18
Which lead will be connected to the negative terminal of the battery or cell ?
Answer
1
Tiasha Chakraborty
Subject: Science
, asked on 9/1/18
Why is electroplating preferred ?
Answer
1
Technical Issues
Subject: Science
, asked on 5/1/18
How does a battery/cell transfer electricity. How does charging a battery help it not lose its power. No links please.
Answer
3
Kartik Raj
Subject: Science
, asked on 4/1/18
Q. 1 Observe the following diagram and answer the following questions
In which of the above cases, will the bulb glow and why?
Identify a non-electrolyte and a weak electrolyte from the above
What can be used in this conduction tester. apan from a bulb?
Give two examples each of Strong and Weak Electrolyte,
Why do you think liquids Can conduct electricity While some cannot?
In which case would the bulb glow the brightest? Justify.
Answer
1
Kartik Raj
Subject: Science
, asked on 4/1/18
Why is it not safe for an electrician to carry out electrical repairs in the outdoor areas during heavy downpour?
Answer
2
Jasmeen Boparai
Subject: Science
, asked on 31/12/17
why tin can made of iron are electroplated
Answer
1
Jasmeen Boparai
Subject: Science
, asked on 31/12/17
Describe uses of electroplating
Answer
1
Jasmeen Boparai
Subject: Science
, asked on 31/12/17
what is electroplating describe an activity that Steel spoon can be electroplated with copper
Answer
1
Jasmeen Boparai
Subject: Science
, asked on 31/12/17
describe an activity to study chemical effects of electric current on passing it through water draw diagram
Answer
1
Pranav
Subject: Science
, asked on 30/12/17
Question 8 and 9
Q.8.
Chrome-plating is quite popular in the industry. Why ?
Q.9. Explain the electrolysis of water.
Answer
1
Adwit
Subject: Science
, asked on 28/12/17
A metal is released during electrolysis of salt. At what electrode will it be disposed
Answer
2
Punya Purushottam
Subject: Science
, asked on 22/12/17
Q no 7 explain in detail
Q.7. How many electrons constitute an electric current of 2 A. (Charge on an electron = 1.6
×
10
-
19
C)
(A) 1.25
×
10
19
(B) 3.2
×
10
-
19
(C) 1.25
×
10
18
(D) 3.21
×
10
-
18
Answer
1
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Q. 1 Observe the following diagram and answer the following questions
Q.8. Chrome-plating is quite popular in the industry. Why ?
Q.9. Explain the electrolysis of water.
Q.7. How many electrons constitute an electric current of 2 A. (Charge on an electron = 1.6 C)
(A) 1.25
(B) 3.2
(C) 1.25
(D) 3.21