Chemistry Two moles of an ideal gas expand freely into vacuum. The work done by the gas is 4J 2J Infinity 4J 2J Infinity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peptization is a process of Dispersing precipitates into colloidal solution Purification of colloids Protection of colloidal solution Precipitation of colloidal particles Dispersing precipitates into colloidal solution Purification of colloids Protection of colloidal solution Precipitation of colloidal particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Reduces evaporation of petrol Reduces consumption of petrol Increases efficiency of petrol Prevents freezing of petrol Reduces evaporation of petrol Reduces consumption of petrol Increases efficiency of petrol Prevents freezing of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Bronze Copper Silver Brass Bronze Copper Silver Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Ag Hg Fe Na Ag Hg Fe Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common refrigerant in domestic refrigerator is Neon Nitrogen Oxygen Freon Neon Nitrogen Oxygen Freon ANSWER DOWNLOAD EXAMIANS APP
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