A. 102 – 102
B. 105 – 109
C. 102 – 107
D. 109 – 1011
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Related Mcqs:
- Molecular weight of plastics ranges from ______________________?
A. 5000 to 10000
B. 20000 to 250000
C. 500 to 5000
D. 106 to 109 - Sodium salt of higher molecular weight fatty acid is termed as the ______________________ soap?
A. Hard
B. Soft
C. Metallic
D. Lubricating - Nitrile rubber is produced by the polymerisation of__________________?
A. Acrylonitrile and butadiene
B. Acrylonitrile and styrene
C. Isobutylene and isoprene
D. None of these - Blue colour is imparted to glass by the addition of__________________?
A. FeSO4
B. PbO
C. CaO
D. NaOH - Lubricating greases are a mixture of__________________?
A. Mineral oil, soap and additives
B. Mineral oil and metallic soap
C. Mineral oil and fatty oil
D. Fatty oil and metallic soap - Synthesis gas is a mixture of__________________?
A. CO and H2
B. N2 and H2
C. H2, CH4 and CO
D. CO2 and H2 - Portland cement consists mainly of__________________?
A. CaO & SiO2
B. SiO2 & Al2O3
C. CaO & Al2O3
D. CaO & Fe2O3 - Chloral is used in the manufacture of__________________?
A. DDT
B. BHC
C. Parathion
D. None of these - The biochemical treatment applied to sewage effluents is a process of__________________?
A. Dehydration
B. Reduction
C. Oxidation
D. Polymerisation - Good quality of edible salt is obtained from brine by the process of__________________?
A. Solar evaporation
B. Vacuum evaporation
C. Freeze drying
D. Electrolysis
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