Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called liquation levigation leaching magnetic separation liquation levigation leaching magnetic separation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas Will be doubled Will be reduced to half Remains unchanged Will increase four-fold Will be doubled Will be reduced to half Remains unchanged Will increase four-fold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Argon Helium Neon Krypton Argon Helium Neon Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer used in making plastic crockery is Decron Melamine Bakelite Nylon Decron Melamine Bakelite Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Kinetics is the study of: All of these are correct The mechanisms and paths of the molecules take in joining from one reactant to products How fast the reactions go The rate of chemical reaction All of these are correct The mechanisms and paths of the molecules take in joining from one reactant to products How fast the reactions go The rate of chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Sulphur dioxide Nitrous oxide Carbon monoxide Carbon dioxide Sulphur dioxide Nitrous oxide Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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