Chemical Process The noble gas which occurs most abundantly in the atmosphere is Neon Helium Argon Krypton Neon Helium Argon Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following paper does not require a filler during manufacture? Blotting paper Writing paper Coloured paper Bond paper Blotting paper Writing paper Coloured paper Bond paper ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of sodium tripolyphosphate (an additive) in synthetic detergent Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) None of these Inhibits its corrosive effects Does not allow redeposition of dirt on the cleaned surface Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) None of these Inhibits its corrosive effects Does not allow redeposition of dirt on the cleaned surface ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The temperature in the calcium carbide furnace is __________ °C. 4000-4500 2000-2200 700-850 200-300 4000-4500 2000-2200 700-850 200-300 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Styrene (a monomer for the production of polystyrene) is commercially produced by Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene Fermentation of starch Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene Fermentation of starch Dehydration of ethyl alcohol followed by hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process DDT should not be allowed to come in contact with iron (during its manufacture) to None of these Avoid its decomposition Achieve non-hygroscopic property Prevent sulphonation of the monochlorobenzene by the acid catalyst None of these Avoid its decomposition Achieve non-hygroscopic property Prevent sulphonation of the monochlorobenzene by the acid catalyst ANSWER DOWNLOAD EXAMIANS APP
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