Chemistry Galvanised iron is made by coating iron with Zinc Sulphur Chromium Nickel Zinc Sulphur Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most pure form of Carbon among the options is Lampblack Wood Charcoal Anthracite Graphite Lampblack Wood Charcoal Anthracite Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Carbon monoxide Water vapour Carbon dioxide Ozone Carbon monoxide Water vapour Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Magnesium sulphate Potassium chloride Calcium carbonate Sodium chloride Magnesium sulphate Potassium chloride Calcium carbonate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the heaviest metal among the following? Iron Silver Copper Gold Iron Silver Copper Gold 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 ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid Conversion of nitrite to nitric oxide Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid Conversion of nitrite to nitric oxide ANSWER DOWNLOAD EXAMIANS APP
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