Chemistry The graphite rods in the nuclear reactor produce neutrons undergo combustion which triggers the nuclear fission convert fast moving neutrons into thermal neutrons react with U to release energy produce neutrons undergo combustion which triggers the nuclear fission convert fast moving neutrons into thermal neutrons react with U to release energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 8, 2 2, 10, 8 2, 8, 10 2, 6, 8, 4 2, 8, 8, 2 2, 10, 8 2, 8, 10 2, 6, 8, 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peroxyacetyl nitrate is a Secondary pollutant Acidic dye Plant hormone Vitamin Secondary pollutant Acidic dye Plant hormone Vitamin ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and dioxin Carbon monoxide and nicotine Dioxin and benzene Carbon monoxide and benzene Carbon monoxide and dioxin Carbon monoxide and nicotine Dioxin and benzene Carbon monoxide and benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following electrodes is used in strongly alkaline solution Mercury - mercurous sulphate electrode Silver - silver chloride electrode Mercury - mercurous chloride electrode Mercury - mercuric oxide electrode Mercury - mercurous sulphate electrode Silver - silver chloride electrode Mercury - mercurous chloride electrode Mercury - mercuric oxide electrode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low ANSWER DOWNLOAD EXAMIANS APP
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