31051. The enzyme which converts starch into the disacharides maltose is
31052. Pick out the false statement pertaining to water treatment.
31053. Presence of H2S in raw water (to be chlorinated) results in the
31054. Contact process of sulphuric acid manufacture
31055. Fat dispersed in water is exemplified by
31056. Maleic anhydride is produced by catalytic oxidation of
31057. Catalyst used in the oxidation of benzene to produce maleic anhydride is
31058. Widely used method for the conditioning of boiler feed water is the
31059. Blue colour is imparted to glass by the addition of
31060. In the manufacture of viscose rayon, the raw material used industrially is
31061. Bordeaux mixture is a/an
31062. Silicone is a/an
31063. Nickel is not used as a catalyst in the __________ reaction.
31064. Roasting of metallurgical ores is done mainly to
31065. Molasses is the starting material for the production of
31066. BHC (Benzene hexachloride) is made by the chlorination of benzene
31067. Diaphragm electrolytic cell as compared to mercury electrolytic cell
31068. Calcareous & argillaceous materials are used in the manufacture of
31069. Which is the apex organization of marketing Co-operatives?
31070. Commercial production of calcium carbide requires limestone and __________ as raw materials.
31071. Which one of the following is not likely to be a constituent of vegetable oils ?
31072. Nitroglycerene absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as a controlled explosive called dynamite. The raw material used for its manufacture are glycerene, nitric acid and
31073. The process involved in converting rubber into a thin sheet or coating it on fabric is called
31074. Detergent is produced by the sulphonation of dodecyl benzene, which is an __________ reaction.
31075. Air used in aerobic fermentation must be sterilized, otherwise the
31076. Alkylbenzene sulfonate (ABS) is a
31077. High temperature carbonisation of coal produces
31078. Alcohol content in freshly prepared natural and fortified wine may be respectively around __________ percent.
31079. Setting of plaster of paris is accompanied with
31080. Process conditions in fermentator used for production of penicillin is
31081. Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of
31082. Sodium chloride content in sea water is about __________ gms/litre.
31083. Fluorescent dyes are added in detergents to
31084. High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to
31085. Polyvinyl chloride (PVC) is
31086. Bleaching of paper pulp is done with
31087. NDDB is setup for development of which products?
31088. Isopropyl benzene produced by alkylation of benzene with propylene is known as
31089. Consider the production of ammonia from methene and air as raw materials. The catalyst used are: (i) __________ for steam reforming of methane and (ii) __________ for ammonia synthesis.
31090. For the hydrogenation of oils __________ (A) __________ is commonly used as catalyst and __________ (B) __________ is a catalyst poison.
31091. Main constituents of natural rubber is
31092. Highly porous refractory bricks are
31093. Fumigant insecticides
31094. Which of the following is an endothermic reaction ?
31095. Fermentator temperature during production of alcohol from molasses is around __________ °C.
31096. Which of the following coals has the highest calorific value ?
31097. Which of the following is not an abrasive material ?
31098. CAMPCO is a joint venture of
31099. Finely ground calcium aluminate & silicate is a/an
31100. Cooking liquor in case of sulphite process is
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use