Chemical Industries

Chemical Industries
Number of carbon atoms per molecule in naphtha are
1 to 4
5 to 10
8 to 12
10 to 16
Author: rikazzz Comment
Chemical Industries
Metallic compounds that occur naturally are called
metal oxides
minerals
ores
none of above
Author: rikazzz Comment
Chemical Industries
Number of carbon atoms per molecule in diesel is
14 to 20
20 to 50
50 to 70
more than 70
Author: rikazzz Comment
Chemical Industries
Which of the following is used as a chemical feedstock for making drugs, plastics, and other chemicals?
Liquid Petroleum Gas (LPG)
petrol
naphtha
kerosene
Author: rikazzz Comment
Chemical Industries
The third step of the Solvay process is
preparation of ammonical brine
carbonation
filtration
calcination
Author: rikazzz Comment
Chemical Industries
Ore of iron is called
hematite
chalcopyrite
bauxite
halite
Author: rikazzz Comment
Chemical Industries
The boiling point of lubricating oil is
270 °C to 340 °C
350 °C to 500 °C
500 °C to 600 °C
more than 500 °C
Author: rikazzz Comment
Chemical Industries
The boiling point of LPG is
below 20 °C
35 °C to 70 °C
70 °C to 120 °C
170 °C to 250 °C
Author: rikazzz Comment
Chemical Industries
The fertilizer which doesn't affect the texture of the soil is
urea
ammonium sulphate
ammonium phosphate
super phosphate
Author: rikazzz Comment
Chemical Industries
The color of crude oil is
brownish black
white
transparent
light yellow
Author: rikazzz Comment

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