General Knowledge - Chemistry - Discussion

Discussion Forum : Chemistry - Section 1 (Q.No. 6)
6.
The metallurgical process in which a metal is obtained in a fused state is called
smelting
roasting
calcinations
froth floatation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
39 comments Page 2 of 4.

Pramod kumar said:   1 decade ago
Please tell me how can change antimony sulphate (sb2so4) into antimony sulphite (sb2so3).

How Sulfite sulphate or any change to?

Jyothsna said:   1 decade ago
calcinations is the process take place in the presence of oxygen.

Roasting is the process take place in the absence of oxygen.

Siva Rama Krishna A said:   8 years ago
Calcination is heating to high temperatures in absence of air. Roasting is heating to high temperatures in the presence of air.
(2)

Peweh rosine said:   1 decade ago
I will like being this online chemistry. But I don't understand the meaning of calcination, those two definition are confusing.

Jyothsna said:   1 decade ago
According to my knowledge I think orbit is the path that electron move whereas shell is the place where electrons are present.

Aman said:   1 decade ago
Fused state means molten state and calcination means heating of carbonate ore like caco3 in absence of air.

SADIA AMJAD said:   8 years ago
The typical range of molar enthalpies for the strongest inter molecular (hydrogen) bonds is?

Ali sir damoh said:   1 decade ago
The pure metal is obtained by ore like Al is obtained by bauxite metallurgy has many step.

Rajesh Kumar said:   1 decade ago
I cannot explain this answer so please give the accurate and easy example and explain it.

Haresh kumar said:   1 decade ago
Metallurgy is the process in which metal is extracted from its ore by heating/reducing


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