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Online General Science Quiz Set No - 6

General Science questions have been taken from previous years question papers of different competitive examinations such SSC CGL, SSC CHSL, CDS, NDA, Bank, State PSC, Railways, MAT, CAT, etc.

51) Benzene cannot undergo
A) Addition
B) Elimination
C) Oxidation
D) Substitution

52) Bio-Diesel is mostly produced by ?
A) Euphorbiaceae
B) Liliaceae
C) Myrtaceae
D) Malvaceae

53) Bleaching powder is made from:
A) Sulphur dioxide and gypsum
B) Chlorine and Charcoal
C) Soda ash and lime
D) Lime and Chlorine

54) Bleaching powder is used in drinking water as a/an?
A) antiseptic
B) coagulant
C) disinfectant
D) antibiotic

55) Blood cancer is commonly known as
A) Leucoderma
B) Leukaemia
C) Haemophilia
D) Sickle-cell anaemia

56) Blood fails to clot while flowing in the blood vessel because of the presence of?
A) Haemoglobin
B) Bile
C) Heparin
D) Prothrombin

57) Branch of Biology which deals with extinct organisms
A) Palynology
B) Phylogeny
C) Palaeobotany
D) Palaeontology

58) Brass gets discoloured in air due to the presence of which gas in air:
A) Carbon dioxide
B) Oxygen
C) Hydrogen Sulphide
D) Nitrogen

59) Bromine is:
A) Colourless gas insoluble in water
B) A highly inflammable gas
C) A Black solid
D) A red liquid

60) Bronze is an alloy of
A) Copper and Zinc
B) Tin and Zinc
C) Copper and Tin
D) Iron and Zinc

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