Chemistry Which of the following is used for refrigeration? Freon Chlorine Sulphur dioxide Phosphine Freon Chlorine Sulphur dioxide Phosphine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Lighter than hydrogen Non-combustible More stable More abundant than hydrogen Lighter than hydrogen Non-combustible More stable More abundant than hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commonly used antiseptic 'Dettol' is a mixture of O-chlorophenoxylenol + terepineol Phenol + terepineol Chloroxylenol + terepineol O-cresol + terepineol O-chlorophenoxylenol + terepineol Phenol + terepineol Chloroxylenol + terepineol O-cresol + terepineol ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.25 mole 0.2 mole 0.5 mole 0.4 mole 0.25 mole 0.2 mole 0.5 mole 0.4 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Reduces consumption of petrol Prevents freezing of petrol Increases efficiency of petrol Reduces evaporation of petrol Reduces consumption of petrol Prevents freezing of petrol Increases efficiency of petrol Reduces evaporation of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder is an alloy of Sodium, lead Lead, zinc Tin, lead Copper, lead Sodium, lead Lead, zinc Tin, lead Copper, lead ANSWER DOWNLOAD EXAMIANS APP
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