Chemical Industries Test 01
Total Questions: 25
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A ) mixing technique
B ) separating technique ✅
C ) boiling technique
D ) cooling technique
A ) density basis
B ) concentration basis
C ) wetting basis ✅
D ) magnetic basis
A ) roasted ore is heated
B ) molten matte is removed
C ) molten matte is heated ✅
D ) molten matte is add
A ) calcination
B ) roasting
C ) froth flotation ✅
D ) distillation
A ) prepare CO2
B ) prepare quick lime
C ) recover ammonia ✅
D ) from Na2CO3
A ) 300°C
B ) 350°C
C ) 400°C ✅
D ) 450°C
A ) vapours of higher boiling point fraction condense first in the lower part of the tower ✅
B ) Vapours of lower boiling point fraction first in the lower part of tower
C ) vapours of higher boiling point condense later in the upper part of tower
D ) vapours of higher boiling point never condense
A ) kerosene oil ✅
B ) lubricating oil
C ) fuel oil
D ) diesel oil
A ) paraffin wax
B ) asphalt
C ) fuel oil. ✅
D ) petroleum coke
A ) kerosene oil
B ) diesel oil
C ) alcohol ✅
D ) Petrol
A ) sugar
B ) proteins ✅
C ) fats
D ) DNA
A ) metallurgy ✅
B ) mining
C ) grinding
D ) all of these
A ) 30
B ) 32
C ) 34 ✅
D ) 40
A ) copper glance
B ) chalcopyrite
C ) both (a) & (b)
D ) none of these
A ) iron compounds
B ) copper compounds
C ) titanium compounds
D ) both (a) & (b)
A ) iron
B ) copper
C ) titanium ✅
D ) Molybdenum
A ) iron
B ) copper
C ) titanium
D ) molybdenum ✅
A ) roasting ✅
B ) smelting
C ) bessemerization
D ) all of the above
A ) copper
B ) carbon ✅
C ) chromium
D ) iron
A ) metals
B ) non-metals ✅
C ) metalloids
D ) alloys
A ) mining and enrichment
B ) reduction
C ) refining and casting
D ) all of the above
A ) iron.
B ) copper
C ) aluminium
D ) both (a) & (b)
A ) blast furnace
B ) fire furnace
C ) Bessemer converter
D ) reverberatory furnace ✅
A ) copper ore ✅
B ) iron ore
C ) chromium ore
D ) aluminium ore
A ) ores
B ) gangue
C ) minerals ✅
D ) none of these