31001. A bio-catalyst produced by living cells which acts independent of the cell is called a/an
31002. Which is not an essential book to be maintained by a Society?
31003. The product obtained on mixing calcium oxide with water is called
31004. The major constituent of black liquor generated during paper manufacture is sodium
31005. Plaster of Paris is
31006. Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulphonic acid produces sodium dodecylbenzene sulphate, which is a/an
31007. Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.
31008. Coke oven gas consists mainly of
31009. Chemical name of 'alum' is
31010. Lithopaneis
31011. What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell ?
31012. __________ acid is the main constituent of cotton seed oil.
31013. Chemical formula of 'salt cake' is
31014. Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in
31015. Nicotine is
31016. Separation of fresh water from sea water can be done by the __________ operation.
31017. Na2CO3.10H2O is called
31018. Reaction of an alcohol with organic acid is called the __________ reaction.
31019. Ethanol amine is produced using ammonia and
31020. __________ acid is an unsaturated fatty acid.
31021. CO & H2 are the constituents of
31022. Economics of 'Solvay Process' depends upon the efficiency of
31023. __________ is a thermosetting plastic.
31024. Na2CO3 is called
31025. Flux addition during smelting of ore is done to
31026. Hydrazine is used in water treatment for the removal of
31027. Direct conversion of chemical energy into electrical energy is done in a
31028. Which of the following is not produced commercially from sea water ?
31029. In 1844,a batch of how many weavers in Rochdale formed a society to purchase raw materials?
31030. Nylon-6 as compared to Nylon-66 is having higher
31031. Digestion of wood-base materials (for manufacture of pulp) is done to
31032. Soap cannot be used with hard water, because
31033. Which of the following is not an antibiotic ?
31034. The most reactive allotropic form of phosphorus is __________ phosphorus.
31035. Plasticisers are added to synthetic plastics to
31036. Rosin soap is added during paper manufacture to
31037. Hydrogen gas is not produced commercially (for nitrogeneous fertiliser manufacture) by
31038. Carboxymethyl cellulose (CMC) is added in detergents to
31039. Synthesis gas is a mixture of
31040. Which of the following impurities in feed water for high pressure boiler is the most detrimental ?
31041. Which glass is usually used in optical work?
31042. Where is the headquarters of Consumer Fed located?
31043. The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.
31044. Reaction of calcium carbide with water produces a gas, which is used
31045. Salt is the basic raw material for the manufacture of
31046. Industrial Co-operative get financial assistance from
31047. Hydrazine (N2H4) is used mainly as a/an
31048. Hydrocynic acid (HCN) is used as an insecticide for
31049. Molecular weight of plastics ranges from
31050. Acrylonitrile is mainly used in the __________ industry.
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