Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is '6.023 × 10–23 6.023 × 1020 '6.023 × 10–20 6.023 × 1023 '6.023 × 10–23 6.023 × 1020 '6.023 × 10–20 6.023 × 1023 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colour imparted to the Bunsen flame by strontium salt is Crimson red Brick red Bluish green Apple-green Crimson red Brick red Bluish green Apple-green ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes All of these Corrosion building materials Respiratory and lung disease Reduction in plant's productivity owing to acid rain All of these Corrosion building materials Respiratory and lung disease Reduction in plant's productivity owing to acid rain ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the manufacture of vanaspati from vegetable oil is hydrogen nitrogen carbon dioxide oxygen hydrogen nitrogen carbon dioxide oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of common salt is Sodium Sodium Bicarbonate Sodium Chloride Sodium Oxide Sodium Sodium Bicarbonate Sodium Chloride Sodium Oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of Naphthalene is Coal-tar Camphor Charcoal Diesel Coal-tar Camphor Charcoal Diesel ANSWER DOWNLOAD EXAMIANS APP
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