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
Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Sulphonation Vulcanization Galvanization Acceleration Sulphonation Vulcanization Galvanization Acceleration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Calcium None of these Manganese Magnesium Calcium None of these Manganese Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Sodium Nitroprusside test Hydrolysis test Spectroscopy Borax-Bead test Sodium Nitroprusside test Hydrolysis test Spectroscopy Borax-Bead test ANSWER DOWNLOAD EXAMIANS APP
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