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Ashutosh Sahoo
Subject: Science
, asked on 13/1/17
A strip of impure cooper metal is given to you .Describe briefly how will you purify it by using the chemical effect of electric current.Draw a labelled diagram of the experimental set up used for this purpose.
Answer
1
Ashutosh Sahoo
Subject: Science
, asked on 13/1/17
name three types of substances in which an electric current can produce a chemical effect.
Answer
1
Ashutosh Sahoo
Subject: Science
, asked on 13/1/17
Name one compound which is decomposed into hydrogen and oxygen by using chemical effect of electric current.
Answer
1
Ashmit
Subject: Science
, asked on 8/1/17
What type of current does a dry cell produce?
Answer
2
Ashutosh Sahoo
Subject: Science
, asked on 24/12/16
name two metals which are purified by using the chemical effect of current (or electrolysis)
Answer
2
Sanskriti Mittal
Subject: Science
, asked on 22/12/16
Leaching is a process of ______ .
a. oxidation b.reduction c.refining d.concentration
Answer
8
Aditya Singh
Subject: Science
, asked on 19/10/16
how to make an alloy from 2 metals....brief explanation please
Answer
6
Ashutosh Sahoo
Subject: Science
, asked on 30/9/16
zn and fe
arrange the metals in decreasing order of their reactivity . explain with a chemical reaction.
reply fast please
Answer
9
Dhairy Shrivastava
Subject: Science
, asked on 18/12/16
reaction with metals . potassium, sodium , iron ,zinc,copper magnesium
Answer
5
Alvin Joseph
Subject: Science
, asked on 5/12/16
is gold brittle?If not why then it is mixed other metals ?
Answer
2
Atharva Jaurkar
Subject: Science
, asked on 14/11/16
WHY GREEN SPOT WAS SEEN ONLY ON A POSITIVE TERMINAL
Answer
2
Swastik Mozumder
Subject: Science
, asked on 2/11/16
Is sensodyne toothpaste could be an electrolyte and if yes then could it corrode aluminium???
Answer
4
Sujal Gupta
Subject: Science
, asked on 7/10/16
describe different uses of chemical effects of electric current
Answer
5
Chaitanaya Mahajan
Subject: Science
, asked on 30/9/16
are all metal oxides are basic
Answer
9
Hemaanee
Subject: Science
, asked on 25/2/17
naveen sets up a circuit for the purification on copper. identify the following:
a. electrode A connected to positive terminal of the battery
b.electrode B connected to negative terminal of the battery
c.the solution
d. is it safe for the electrician to carry out electrical repairs outdoor during heavy downpour? justify your answer.
e.why is electroplating needed in automobile industry? name two metals used for it.
Answer
4
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What are you looking for?
a. oxidation b.reduction c.refining d.concentration
arrange the metals in decreasing order of their reactivity . explain with a chemical reaction.
reply fast please
a. electrode A connected to positive terminal of the battery
b.electrode B connected to negative terminal of the battery
c.the solution
d. is it safe for the electrician to carry out electrical repairs outdoor during heavy downpour? justify your answer.
e.why is electroplating needed in automobile industry? name two metals used for it.