The role of depressants in Froth Flotation method* is to

Which of the following elements in considered as a metalloid?

A rigid nitrogen tank stored inside a laboratory has a pressure of 30 atm at 06:00 am when the temperature is 27°C. At 03:00 pm,...

The metal ion (in gaseous state) with lowest spin only magnetic moment value is

Given below are two statements.
Statement I: During electrolytic refining, blister copper deposits precious metals
Statement II: In the process of obtaining pure copper by...

Which of the following chemical reactions represents Hall-Heroult Process?

Metals generally melt at very high temperature. Amongst the following, the metal with the highest melting point will be

An acidified manganate solution undergoes disproportionation reaction. The spin-only magnetic moment value of the product having manganese in higher oxidation state is _________ B.M. (Nearest...

The number of terminal oxygen atoms present in the product B obtained from the following reaction is ________.
$\mathrm{FeCr}_2 \mathrm{O}_4+\mathrm{Na}_2 \mathrm{CO}_3+\mathrm{O}_2 \rightarrow \mathrm{~A}+\mathrm{Fe}_2 \mathrm{O}_3+\mathrm{CO}_2$...

The difference in oxidation state of chromium in chromate and dichromate salts is _______.