Chemistry The lightest gas which is non-inflammable is Oxygen Hydrogen Nitrogen Helium Oxygen Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Oxalic acid H2O2 Alcohol Petrol Oxalic acid H2O2 Alcohol Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Bhopal gas tragedy' 1984 is related to which gas Carbon dioxide Methyl bromide Aluminium Phosphide Methyl isocyanate Carbon dioxide Methyl bromide Aluminium Phosphide Methyl isocyanate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Eutrophication in lakes Depletion of fossil fuel reserves Industrial smog formation Lowering of pH of soil Eutrophication in lakes Depletion of fossil fuel reserves Industrial smog formation Lowering of pH of soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? The paper ignites There is a violent explosion. There is a crackling sound There is no reaction. The paper ignites There is a violent explosion. There is a crackling sound There is no reaction. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Terricot Rayon Nylon Cotton Terricot Rayon Nylon Cotton ANSWER DOWNLOAD EXAMIANS APP