Chemical Process Sudden temperature fluctuation does not affect pyrex glass, because of its 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 Low co-efficient of expansion High melting point ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. 90-100 250-300 15-30 90-100 250-300 15-30 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Magnesium and calcium __________ cause temporary hardness of water. Bicarbonates Phosphates Carbonates Sulphates Bicarbonates Phosphates Carbonates Sulphates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Alcohol is produced by the Oxidation of an aldehyde Hydrolysis of an ether Esterification of a fat None of these Oxidation of an aldehyde Hydrolysis of an ether Esterification of a fat None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the most suitable dye for synthetic fibres? Acid dye Mordant dye Pigment dye Azoic dye Acid dye Mordant dye Pigment dye Azoic dye ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nitric acid is not used in the manufacture of Aqua regia Explosives Detergents Fertilisers Aqua regia Explosives Detergents Fertilisers ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS