Chemistry The lustre of the metals is because of Reflection of light due to the presence of free electrons High polish High density, due to closed packing of atoms Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons High polish High density, due to closed packing of atoms Absorption of light due to the presence of cavities ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.273 0.323 0.201 0.158 0.273 0.323 0.201 0.158 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Plant gums Coal tar Wool wax Petroleum Plant gums Coal tar Wool wax Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is an aqueous solution of Oxalic acid Acetic acid Hydrochloric acid Citric acid Oxalic acid Acetic acid Hydrochloric acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Carbon dioxide Sulphur dioxide Hydrogen Ammonia Carbon dioxide Sulphur dioxide Hydrogen Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Nitrogen Liquid Hydrogen + Liquid Oxygen Liquid Nitrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Nitrogen Liquid Hydrogen + Liquid Oxygen Liquid Nitrogen + Liquid Oxygen ANSWER DOWNLOAD EXAMIANS APP
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