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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 one compound which is decomposed into hydrogen and oxygen by using the chemical effect of electric current
Answer
10
Ashutosh Sahoo
Subject: Science
, asked on 24/12/16
name two metals which are produced by usig the chemical effect of electric current
Answer
1
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
Bhavya Prasad
Subject: Science
, asked on 22/10/16
if the dry cell doesn't produce chemical reactions unlike the electrolytic cell which produces chemical reactions, then how is the dry cell used in the electrolytic cell diagram ? explain.
Answer
2
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
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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