Chemistry What is the principal ore of aluminium ? Dolomite Copper Bauxite Lignite Dolomite Copper Bauxite Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Nitrous oxide and sulphur dioxide Carbon dioxide Methane Carbon monoxide Nitrous oxide and sulphur dioxide Carbon dioxide Methane Carbon monoxide 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 Reaction of nitrogen dioxide with water to form nitric acid Conversion of ammonia to nitrites Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of nitrite to nitric oxide Reaction of nitrogen dioxide with water to form nitric acid Conversion of ammonia to nitrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is an alloy of Chromium and iron Chromium, carbon and iron Carbon and iron Chromium and carbon Chromium and iron Chromium, carbon and iron Carbon and iron Chromium and carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Sulphur Hydrogen Carbon Phosphorus Sulphur Hydrogen Carbon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Sulphur Oxygen Phosphorus Chlorine Sulphur Oxygen Phosphorus Chlorine ANSWER DOWNLOAD EXAMIANS APP
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