Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Zinc Nickel Chromium Lead Zinc Nickel Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is an iron ore ? Nitrite Bauxite Lignite Magnetite Nitrite Bauxite Lignite Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is Zeolite? Dehydrated Calcium Sulphate Hydrated Aluminosilicate Dehydrated Aluminosilicate Hydrated Calcium Sulphate Dehydrated Calcium Sulphate Hydrated Aluminosilicate Dehydrated Aluminosilicate Hydrated Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Hg Fe Ag Na Hg Fe Ag Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Reaction of nitrogen dioxide with water to form nitric acid Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of ammonia to nitrites Conversion of nitrite to nitric oxide Reaction of nitrogen dioxide with water to form nitric acid Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of ammonia to nitrites Conversion of nitrite to nitric oxide ANSWER DOWNLOAD EXAMIANS APP
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