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Rajay Rajay Chakrasingh
Subject: Chemistry
, asked on 20/6/18
First of all it is not mentioned that HCL is solution or not. Secondly if the HCL was indeed a solution, then the pH would be less than 8?
Answer
1
Rajay Rajay Chakrasingh
Subject: Chemistry
, asked on 18/6/18
what is the chemical formula of calcite?
Answer
8
Rajay Rajay Chakrasingh
Subject: Chemistry
, asked on 18/6/18
What is the chemical formula of Gibbsite?
Answer
4
Rajay Rajay Chakrasingh
Subject: Chemistry
, asked on 18/6/18
We know that as the non metallic character increases, electronegativity value also increases. Then oxygen should have more electronegativity than nitrogen?
Answer
1
Rajay Rajay Chakrasingh
Subject: Chemistry
, asked on 18/6/18
Why will two oxides of iron will be produced at the product side?
Answer
1
Rajay Rajay Chakrasingh
Subject: Chemistry
, asked on 18/6/18
How is it possible that the solubility increases with increase in size of the ion?
Answer
1
Rajay Rajay Chakrasingh
Subject: Chemistry
, asked on 15/6/18
Q. Does it mean that tin lowers the melting point of alloy BELOW 18 degree Celsius? Or it reduces the melting point of the alloy TO 180 degree Celsius?
Sn — lowers melting point of alloy
melting point of alloy : 180
°
C
Answer
4
Rajay Rajay Chakrasingh
Subject: Chemistry
, asked on 14/6/18
But hard and brittle are almost of antagonistic words ?
Bronze-------hard, brittle
German silver-----------hard, silvery
Answer
2
Legend Vishal
Subject: Chemistry
, asked on 7/6/18
Give me some long imformation of metallurgy of metal plz don't give me a site
Answer
1
Rajay Rajay Chakrasingh
Subject: Chemistry
, asked on 26/5/18
Solve this:
Q.61. The turmeric solution will turn red by an aqueous solution of -
(A) Potassium acetate
(B) Copper sulphate
(C) Sodium sulphate
(D) Ferric chloride
Answer
2
Snigdha Verma
Subject: Chemistry
, asked on 19/2/18
In formation of calcium oxide by synthesis ,name the substance that is oxidised and the substance that is reduced.
Answer
1
Isha Das
Subject: Chemistry
, asked on 17/2/18
Write the constituents of electrolyte for the extraction of aluminium.
Answer
1
Isha Das
Subject: Chemistry
, asked on 17/2/18
Write the chemical formulae of one main ore of iron and aluminium.
Answer
3
Mugdha Walawalkar
Subject: Chemistry
, asked on 13/2/18
While extracting aluminium from bauxite(Al
2
O
3
.2H
2
O) can conc.H
2
SO
4
be used to remove the water as it is dehydrating agent?
Answer
2
M Soumika
Subject: Chemistry
, asked on 4/1/21
What is the formula for Sodium aluminate NaAlO2 or Na3AlO3
Answer
3
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Sn — lowers melting point of alloy
melting point of alloy : 180C
But hard and brittle are almost of antagonistic words ?
Bronze-------hard, brittle
German silver-----------hard, silvery
Q.61. The turmeric solution will turn red by an aqueous solution of -
(A) Potassium acetate
(B) Copper sulphate
(C) Sodium sulphate
(D) Ferric chloride