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Shivangini Rai
Subject: Chemistry
, asked on 1/7/17
Give 2 examples of displacement reaction very commonly used in meta.llugry
Answer
1
Rutuja Jadhav
Subject: Chemistry
, asked on 8/5/17
can u explain metallurgy of Al in a easier way
Answer
4
Rakshil Modi
Subject: Chemistry
, asked on 19/2/17
Choose the correct answer
Which of the following is an amorphous solid?
Diamond
Graphite
Glass
Common salt
Answer
2
Kunal
Subject: Chemistry
, asked on 26/5/16
Why rusting does not take place in the tube with anhydrous calcium chloride and air?
Answer
1
😉😉 Shreyas 😎😎
Subject: Chemistry
, asked on 2/10/17
Answer question no. 1 (iv)
1.
The following is a sketch of an electrolytic cell used in the extraction of aluminium :
(iv) Why is it necessary for electrode B to be continuously replaced ?
Answer
1
😉😉 Shreyas 😎😎
Subject: Chemistry
, asked on 2/10/17
Name an allotrope of a non metal that allows electricity to pass through it
Answer
3
😉😉 Shreyas 😎😎
Subject: Chemistry
, asked on 2/10/17
Name a compound formed by reaction between calcium oxide and silica
Answer
1
😉😉 Shreyas 😎😎
Subject: Chemistry
, asked on 2/10/17
Question number 4. Complete ... a, b,c,d
Answer
1
😉😉 Shreyas 😎😎
Subject: Chemistry
, asked on 2/10/17
A metal which forms a liquid alloy at ordinary temperature
Answer
2
😉😉 Shreyas 😎😎
Subject: Chemistry
, asked on 2/10/17
State two properties of brass that render it more useful for some purposes than its components. No links..
Answer
1
😉😉 Shreyas 😎😎
Subject: Chemistry
, asked on 2/10/17
(A)Name an alloy of Copper in electrical appliances on household.
Answer
1
😉😉 Shreyas 😎😎
Subject: Chemistry
, asked on 2/10/17
Explain and give reasons why aluminium vessels should not be cleaned with powders containing alkalis.no links...
Answer
1
😉😉 Shreyas 😎😎
Subject: Chemistry
, asked on 2/10/17
Give three ways in which the metals doing differs from the non metal carbon at least one of the difference is must be a chemical difference... column wise difference plz and no link plz ..
Answer
1
😉😉 Shreyas 😎😎
Subject: Chemistry
, asked on 2/10/17
Explain with reason why the graphite anode has to be replaced in the electrolytic reduction of Alumina
Answer
1
😉😉 Shreyas 😎😎
Subject: Chemistry
, asked on 2/10/17
AgNO3 ----? ?
Answer
4
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Which of the following is an amorphous solid?
1. The following is a sketch of an electrolytic cell used in the extraction of aluminium :
(iv) Why is it necessary for electrode B to be continuously replaced ?