Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Polystyrene Polyurethane Metallic polysulphides Teflon Polystyrene Polyurethane Metallic polysulphides Teflon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is prepared by polymerisation of which of the following Acrylonitrile 1,3-butadiene 2-methyl 1, 3-butadiene 2-chloro-1, 3-butadiene Acrylonitrile 1,3-butadiene 2-methyl 1, 3-butadiene 2-chloro-1, 3-butadiene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Higher rate of photosynthesis Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years Checking the penetration of ultra-violet rays to the earth Higher rate of photosynthesis Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years Checking the penetration of ultra-violet rays to the earth ANSWER DOWNLOAD EXAMIANS APP
Chemistry Haloarenes are more stable than haloalkanes due to Hyper conjugative effect Inductive effect Resonance effect All of them Hyper conjugative effect Inductive effect Resonance effect All of them ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of NaCl crystal is Body centered cubic Octahedral Face centered cubic Square planar Body centered cubic Octahedral Face centered cubic Square planar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? White phosphorus Red phosphorus Black phosphorus Violet phosphorus White phosphorus Red phosphorus Black phosphorus Violet phosphorus ANSWER DOWNLOAD EXAMIANS APP