Chemical Process Sudden temperature fluctuation does not affect pyrex glass, because of its Low co-efficient of expansion High melting point High co-efficient of expansion Both B and C Low co-efficient of expansion High melting point High co-efficient of expansion Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The difference between saponification value and acid value is Constant for all fatty oils Always negative None of these Called ester value Constant for all fatty oils Always negative None of these Called ester value ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Coal tar is used as a Binder in making carbon electrodes All of these Binding material for coal briquettes Fuel in rotary kiln Binder in making carbon electrodes All of these Binding material for coal briquettes Fuel in rotary kiln ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phthalic anhydride is produced by the oxidation of Naphthalene Aniline Toluene Benzene Naphthalene Aniline Toluene Benzene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High purity nitrogen is used in Both A & B Fire fighting purposes Neither A nor B Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Both A & B Fire fighting purposes Neither A nor B Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials for 'Solvay Process' for manufacture of the soda ash are Ammonia limestone and coke None of these Salt, limestone and coke or gas Ammonia, salt and limestone Ammonia limestone and coke None of these Salt, limestone and coke or gas Ammonia, salt and limestone ANSWER DOWNLOAD EXAMIANS APP