Chemistry Sea water can be purified by the process of Evaporation Fractional distillation Filtration Distillation Evaporation Fractional distillation Filtration Distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Tin Thallium Silicon Caesium Tin Thallium Silicon Caesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Wood spirit is Methyl alcohol Butyl alcohol Propyl alcohol Ethyl alcohol Methyl alcohol Butyl alcohol Propyl alcohol Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Silicon Sulphur Magnesium Phosphorous Silicon Sulphur Magnesium Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Zinc oxide Magnesium oxide Aluminium oxide Calcium oxide Zinc oxide Magnesium oxide Aluminium oxide Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of nitrite to nitric oxide Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of nitrite to nitric oxide Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid ANSWER DOWNLOAD EXAMIANS APP
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