Chemistry Which of the following is not soluble in water ? Zinc sulphate Sodium sulphate Potassium sulphate Lead Sulphate Zinc sulphate Sodium sulphate Potassium sulphate Lead Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Identify the metal which is non toxic in nature. Gold Chromium Cadmium Cobalt Gold Chromium Cadmium Cobalt ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Chlorofluorocarbons Radioactive rays Volcanic eruptions Aviation fuels Chlorofluorocarbons Radioactive rays Volcanic eruptions Aviation fuels ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silica gel is a Moisturizer Drying agent Delicious food Flavouring agent Moisturizer Drying agent Delicious food Flavouring agent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Helium is less dense than air Air exerts an upward force on the balloon The balloon is weightless Helium pushes down on the air below the balloon Helium is less dense than air Air exerts an upward force on the balloon The balloon is weightless Helium pushes down on the air below the balloon ANSWER DOWNLOAD EXAMIANS APP
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