1.
In multistage equilibrium conversion of SO₂ to SO₃ (2SO₂ + O₂ ⇋ 2SO₃), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO₂ to SO₃ can be increased by

2.
Pig iron is produced by blast furnaces in India using mostly the iron ore named

3.
Silicone is a/an

4.
Silicon carbide is a/an

5.
Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate

6.
Pick out the wrong statement.

7.
Solvent extracted oil

8.
Which allotrope of sulphur is insoluble in carbon disulphide?

9.
Soaps remove dirt by

10.
Production of alcohol by fermentation of molasses is an __________ process.

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