1
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the method used to obtain $$\mathrm{SO}_2$$ gas in industry.

A
By burning sulphur in air
B
By treating sodium sulphite with dil. sulphuric acid
C
By treating sodium sulphite with dil. hydrochloric acid
D
By roasting zinc sulphide and iron pyrites
2
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following metals is used as catalyst in manufacture of sulphuric acid by contact process?

A
Iron
B
Platinum
C
Nickel
D
Cobalt
3
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following ore is concentrated by froth floatation process?

A
Bauxite
B
Dolomite
C
Galena
D
Diaspore
4
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+1
-0

Zirconium is refined by

A
liquation process
B
Mond process
C
electrolytic refining process
D
van Arkel method
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