Chemical Engineering MCQs

6108 MCQs  (Page 116 of 611)

Attempt Chemical Engineering Quiz
Laboratory glass wares which reacts with hydrofluoric acid, are made of the ______________ glass?
A. Lead
B. Borosilicate
C. Soda lime
D. Alkali silicate
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Bio-degradable detergents ___________________?
A. Can be readily oxidised
B. Pose problem in sewerage plant
C. Have an isoparaffinic structure
D. Should not be used as it spoils the cloth
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CaCl(OCl) is the chemical formula of___________________?
A. Hypo
B. Bleaching powder
C. Plaster of paris
D. Aqua regia
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Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called___________________?
A. Polyurethane
B. Silicone
C. Teflon
D. Epoxy resin
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Permanent hardness of water can be removed by_________________?
A. Addition of soda ash to it
B. Treating it with zeolites
C. Passing it through sodium hexametaphosphate
D. All a , b, and c.
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Enamels______________________?
A. Give good glossy finish
B. Are same as varnish
C. Are prepared from non-drying oil
D. Do not contain pigment
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Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on ____________________?
A. Slaked lime
B. Soda lime
C. Calcium perchlorate
D. None of these
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Refractory bricks having high thermal conductivity is desirable, when it is to be used in the _________________?
A. L.d. converter
B. Blast furnace
C. Rotary kiln
D. Recuperator
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Glycerine is a by-product of the ________________ industry ?
A. Soap
B. Detergent
C. Oil hydrogenation
D. Paint
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The amount of benzene present in pure Benzol is about _______________ percent ?
A. 30
B. 50
C. 70
D. 90
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Word of the Day
25 Jul
January
a preference or special liking for something; a bias in favour of something.
2021:00:00

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