Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Pt Ni Cu Pb Pt Ni Cu Pb ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Physical change Photochemical reaction Endothermic reaction Exothermic reaction Physical change Photochemical reaction Endothermic reaction Exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of HCI and NaCI [HCO3]– and H2CO3 CI– and [CO3]2– CI– and [HCO3]– HCI and NaCI [HCO3]– and H2CO3 CI– and [CO3]2– CI– and [HCO3]– ANSWER DOWNLOAD EXAMIANS APP
Chemistry A polymeric substance used to make parachute is Cotton Rayon Terylene Viscose Cotton Rayon Terylene Viscose ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is prepared by polymerisation of which of the following 2-methyl 1, 3-butadiene 2-chloro-1, 3-butadiene Acrylonitrile 1,3-butadiene 2-methyl 1, 3-butadiene 2-chloro-1, 3-butadiene Acrylonitrile 1,3-butadiene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' Antoine Lavoisier Democritus John Dalton Robert Boyle Antoine Lavoisier Democritus John Dalton Robert Boyle ANSWER DOWNLOAD EXAMIANS APP
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