Chemistry The manufacture of iron from iron ore involves the process of Electrolysis Fractional distillation Oxidation Reduction Electrolysis Fractional distillation Oxidation Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Natural Gas Coal Firewood Petroleum Natural Gas Coal Firewood Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Indane gas is mixture of Butane and propane Butane and hydrogen Methane and oxygen Butane and oxygen Butane and propane Butane and hydrogen Methane and oxygen Butane and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Oxygen Nitrogen Carbon monoxide Carbon dioxide Oxygen Nitrogen Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Distilled water Tap water Ground water Rain water Distilled water Tap water Ground water Rain water ANSWER DOWNLOAD EXAMIANS APP
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