Chemistry Of the following, which one pollutes the air of a big city ? Chromium Lead Cadmium Copper Chromium Lead Cadmium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its Ability to lower the melting point of the metal High calorific value Low reactivity with metal High flammability Ability to lower the melting point of the metal High calorific value Low reactivity with metal High flammability ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Oxidation Reduction Adsorption Bleaching Oxidation Reduction Adsorption Bleaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of heterocyclic compound is Benzene Furan Anthracene Naphthalene Benzene Furan Anthracene Naphthalene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Barium Calcium Strontium Sodium Barium Calcium Strontium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethylene acetylene ethane carbon dioxide ethylene acetylene ethane carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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