Sizing material is incorporated in paper to___________________?
(A) Impart resistance to penetration by liquids
(B) Increase its thickness
(C) Increase its flexibility & opacity
(D) Increase its brightness
Shrinkage volume in cement setting does not depend upon the _____________________?
(A) Sand to cement ratio
(B) Water to cement ratio
(C) Ambient temperature fluctuation
(D) Drying period
Widely used method for the conditioning of boiler feed water is the ___________________?
(A) Cold lime process
(B) Coagulation
(C) Hot-lime soda process
(D) Sequestration
Catalyst used in the oxidation of benzene to produce Maleic anhydride is ______________________?
(A) V2O5
(B) Pt
(C) Ni
(D) Cr
Which of the following is not an insecticide ?
(A) Hydrocyanic acid
(B) Nicotine
(C) Sodium fluoride
(D) Hexane
Molecular weight of plastics ranges from ______________________?
(A) 5000 to 10000
(B) 20000 to 250000
(C) 500 to 5000
(D) 106 to 109
Cation exchanger is regenerated usually with_________________________?
(A) NaOH
(B) H2SO4
(C) Hydrazine
(D) Alum solution
Major component of flint glass is_____________________?
(A) Lead oxide
(B) Silica
(C) Alumina
(D) Soda
______________ Nature of hypo (sodium thiosulphate) makes it useful in photography ?
(A) Oxidising
(B) Reducing
(C) Complex forming
(D) Photochemical
The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an ______________ detergent ?
(A) Cationic
(B) Anionic
(C) Amphoteric
(D) Semi polar