Chemistry Which of the following is not a precious/semi-precious stone? Sapphire Pearl Emerald Ruby Sapphire Pearl Emerald Ruby ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? 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 Reaction of nitrogen dioxide with water to form nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is the sum of the number of protons and neutrons present in the nucleus a fraction always less than its atomic number always more than the atomic weight the sum of the number of protons and neutrons present in the nucleus a fraction always less than its atomic number always more than the atomic weight ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.(A) Arsenic (B) Sorbitol (C) Fluoride (D) Formaldehyde (E) Uranium B, D and E A, C and E A, B, C, D and E A and C B, D and E A, C and E A, B, C, D and E A and C ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrous oxide Nitrogen dioxide Nitrogen pentoxide Nitric oxide Nitrous oxide Nitrogen dioxide Nitrogen pentoxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements exhibits the greatest tendency to lose electrons ? Fluorine Oxygen Lithium Zinc Fluorine Oxygen Lithium Zinc ANSWER DOWNLOAD EXAMIANS APP
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