Chemistry Which is the purest form of iron? Cast iron Wrought iron Pig iron Steel Cast iron Wrought iron Pig iron Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conversion of chemical energy into electrical energy occurs in Electric heaters Dynamo Atomic bombs A battery Electric heaters Dynamo Atomic bombs A battery ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most reactive among the halogens is Bromine Iodine Fluorine Chlorine Bromine Iodine Fluorine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Styrene Methane Acetylene Ethylene Styrene Methane Acetylene Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Reaction of Nitrogen Monoxide with oxygen to form nitric acid Reaction of nitrogen dioxide with water to form nitric acid Conversion of ammonia to nitrites Conversion of nitrite to nitric oxide Reaction of Nitrogen Monoxide with oxygen to form nitric acid Reaction of nitrogen dioxide with water to form nitric acid Conversion of ammonia to nitrites Conversion of nitrite to nitric oxide ANSWER DOWNLOAD EXAMIANS APP
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