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You Are On Multi Choice Question Bank SET 1609
80451. Glass is made of the mixture of
(A): quartz and mica (B): sand and silicates (C): salt and quartz (D): sand and salt
80452. The vast resources of unutilised natural gas can be used in the production of
(A): graphite (B): Synthetic petroleum (C): fertilisers (D): carbide
80453. Paper is manufactured by
(A): Wood and resin (B): Wood, sodium and bleaching powder (C): Wood, calcium, hydrogen sulphite and resin (D): Wood and bleaching powder
80454. Gypsum is added to cement clinker to
(A): increase the tensile strength of cement (B): decrease the rate of setting of cement (C): facilitate the formation of colloidal gel (D): bind the particles of calcium silicate
80455. Soap is a mixture of sodium or potassium salts of
(A): dicarboxylic acids (B): monocarboxylic acids (C): glycerol (D): tricarboxylic acids
80456. The type of glass used in making lenses and prisms is
(A): jena glass (B): soft glass (C): pyrex glass (D): flint glass
80457. Which of the following is a non metal that remains liquid at room temperature?
(A): Phosphorous (B): Bromine (C): Chlorine (D): Helium
80458. Chlorophyll is a naturally occurring chelate compound in which central metal is
(A): copper (B): magnesium (C): iron (D): calcium
80459. Who introduced the concept of knowledge industry?
(A): Jan Van Dijik (B): Fritz Machlup (C): Manuel Castells (D): H.P.Luhn
80460. Handling of Information in the sense of production is called:
(A): Information Industry (B): Knowledge Distribution (C): Information Production (D): Data Industry
80461. ’Leaxicon’refers to:
(A): Directly (B): Bibliography (C): Dictionary (D): Encyclopaedia
80462. Indian Science Abstract is published by:
(A): National Library of India (B): Indian Library Association (C): NISCAIR (D): INIS
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