Chemistry The chemical name of 'laughing gas' is Nitrogen dioxide Nitrogen pentoxide Nitric oxide Nitrous oxide Nitrogen dioxide Nitrogen pentoxide Nitric oxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Cadmium Copper Lead Chromium Cadmium Copper Lead Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a carbohydrate ? Hydrogen peroxide Cane-sugar Nylon Turpentine Hydrogen peroxide Cane-sugar Nylon Turpentine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Domestic sewage Acid Plants Wood burning Paints Domestic sewage Acid Plants Wood burning Paints ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Galvanising Electroplating Hot dipping Tinning Galvanising Electroplating Hot dipping Tinning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Copper Zinc Mercury Lead Copper Zinc Mercury Lead ANSWER DOWNLOAD EXAMIANS APP
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