Chemistry The common refrigerant in domestic refrigerator is Nitrogen Neon Freon Oxygen Nitrogen Neon Freon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of TNT and charcoal Nitre, sulphur and charcoal Sulphur, sand and charcoal Sand and TNT TNT and charcoal Nitre, sulphur and charcoal Sulphur, sand and charcoal Sand and TNT ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Aqua-regia Acetic acid Hydrochloric acid Nitric acid Aqua-regia Acetic acid Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Increasing the strength of cement Rapid setting of cement Reduction in the cost of cement Preventing rapid setting of cement Increasing the strength of cement Rapid setting of cement Reduction in the cost of cement Preventing rapid setting of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Ultraviolet rays Cosmic rays. All radiations of Light Infra-red rays Ultraviolet rays Cosmic rays. All radiations of Light Infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Hydrocarbons Carbon dioxide Nitrous oxide Sulphur dioxide Hydrocarbons Carbon dioxide Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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