Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is no reaction. The paper ignites There is a crackling sound There is a violent explosion. There is no reaction. The paper ignites There is a crackling sound There is a violent explosion. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalytic converters are generally made from : Carbon Transition metals Alkaline metals Hydrogen Carbon Transition metals Alkaline metals Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following electrodes is used in strongly alkaline solution Silver - silver chloride electrode Mercury - mercurous chloride electrode Mercury - mercurous sulphate electrode Mercury - mercuric oxide electrode Silver - silver chloride electrode Mercury - mercurous chloride electrode Mercury - mercurous sulphate electrode Mercury - mercuric oxide electrode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Natural Gas Petroleum Coal Firewood Natural Gas Petroleum Coal Firewood ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of Iron is : Wrought iron Cast iron Pig iron Steel Wrought iron Cast iron Pig iron Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic acid Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic anhydride Nitric acid and acetic acid Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic anhydride ANSWER DOWNLOAD EXAMIANS APP