Chemistry Zone refining is used for the purification of Ag Cu Au Ge Ag Cu Au Ge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of SO2 layer CO2 layer O3 layer O 2 layer SO2 layer CO2 layer O3 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of halogen elements found in the periodic table is 13 3 8 5 13 3 8 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Potassium Sodium Iron Magnesium Potassium Sodium Iron Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silk fibre chemically is : Cellulose Carbohydrate Protein Fat Cellulose Carbohydrate Protein Fat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Reaction of nitrogen dioxide with water to form nitric acid Conversion of nitrite to nitric oxide Conversion of ammonia to nitrites Reaction of Nitrogen Monoxide with oxygen to form nitric acid Reaction of nitrogen dioxide with water to form nitric acid Conversion of nitrite to nitric oxide Conversion of ammonia to nitrites Reaction of Nitrogen Monoxide with oxygen to form nitric acid ANSWER DOWNLOAD EXAMIANS APP
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