Chemistry Major portion of the earth’s crust is mainly constituted by Silicon and Aluminium Oxygen and Iron Oxygen and Silicon Silicon and Iron Silicon and Aluminium Oxygen and Iron Oxygen and Silicon Silicon and Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hardest form of carbon is charcoal graphite coke diamond charcoal graphite coke diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Calcium Magnesium Sodium Silicon Calcium Magnesium Sodium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Depletion of fossil fuel reserves Eutrophication in lakes Industrial smog formation Lowering of pH of soil Depletion of fossil fuel reserves Eutrophication in lakes Industrial smog formation Lowering of pH of soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode in a dry cell consists of Cadmium Copper Zinc Graphite Cadmium Copper Zinc Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is a type of Polyamide Polyolefin Polyester Acrylic Polyamide Polyolefin Polyester Acrylic ANSWER DOWNLOAD EXAMIANS APP
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