Chemistry The most abundant element by number in the living system is : Carbon Hydrogen Oxygen Nitrogen Carbon Hydrogen Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Peat Anthracite Bitumen Lignite Peat Anthracite Bitumen Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.201 0.158 0.323 0.273 0.201 0.158 0.323 0.273 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Citric acid is present in free form in Apple Lemon Tamarind Milk Apple Lemon Tamarind Milk ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Silicon Sulphur Bromine Phosphorus Silicon Sulphur Bromine Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
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