Chemistry Pyrethrin used in mosquito coil is obtained from A bacterium A fungus An insect A seed plant A bacterium A fungus An insect A seed plant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Lead Zinc Copper Mercury Lead Zinc Copper Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the heaviest metal among the following? Silver Gold Iron Copper Silver Gold Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Sodium Nitrogen Hydrogen Neon Sodium Nitrogen Hydrogen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Acid Plants Wood burning Paints Domestic sewage Acid Plants Wood burning Paints Domestic sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals form an amalgam with other metals ? Mercury Tin Lead Zinc Mercury Tin Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
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