Chemistry Neoprene is prepared by polymerisation of which of the following Acrylonitrile 1,3-butadiene 2-methyl 1, 3-butadiene 2-chloro-1, 3-butadiene Acrylonitrile 1,3-butadiene 2-methyl 1, 3-butadiene 2-chloro-1, 3-butadiene ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Iron Oxygen Magnesium Silicon Iron Oxygen Magnesium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Conversion of ammonia to nitrites Conversion of nitrite to nitric oxide Reaction of Nitrogen Monoxide with oxygen to form nitric acid Reaction of nitrogen dioxide with water to form nitric acid Conversion of ammonia to nitrites Conversion of nitrite to nitric oxide 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 Normal rainwater is slightly acidic due to the presence of None of these Carbon dioxide Methane Sulphur dioxide None of these Carbon dioxide Methane Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: No spin Opposite spin Same spin Same or opposite spin No spin Opposite spin Same spin Same or opposite spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 1.00 gram 4 x 6.02 x 1023 gram 4.00 gram 8.00 gram 1.00 gram 4 x 6.02 x 1023 gram 4.00 gram 8.00 gram ANSWER DOWNLOAD EXAMIANS APP
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