Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Lead Zinc Chromium Nickel Lead Zinc Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Coal-tar Camphor Charcoal Diesel Coal-tar Camphor Charcoal Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Ground water Distilled water Rain water Tap water Ground water Distilled water Rain water Tap water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Will always be positive Can have any value above zero Can never be positive Cannot be negative Will always be positive Can have any value above zero Can never be positive Cannot be negative ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Suspended solids Gritty substances Oil and fatty substances Inorganic substances Suspended solids Gritty substances Oil and fatty substances Inorganic substances ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching action of moist sulphur di-oxide is because of its Oxidising property Acidic property Reducing property Basic property Oxidising property Acidic property Reducing property Basic property ANSWER DOWNLOAD EXAMIANS APP
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