Chemistry The gas used for filling weather balloons is Air Nitrogen Helium Hydrogen Air Nitrogen Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: A lowering of free energy An increase in Internal energy Increase in free energy A lowering of entropy A lowering of free energy An increase in Internal energy Increase in free energy A lowering of entropy ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Increases Decreases Remains same Cannot be predicted Increases Decreases Remains same Cannot be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 1.2 gms 0.12 gms 12 gms 120 gms 1.2 gms 0.12 gms 12 gms 120 gms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Hydrogen + Liquid Nitrogen Liquid Oxygen + Liquid Argon Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Oxygen + Liquid Argon Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gelatin is mostly used in making ice–creams in order to Stabilise mixture Stabilise the colloid and prevent crystallisation Prevent making a colloid Enrich the aroma Stabilise mixture Stabilise the colloid and prevent crystallisation Prevent making a colloid Enrich the aroma ANSWER DOWNLOAD EXAMIANS APP