Chemistry Chemical properties of isotopes Need not be same Need not be different Must be different Must be same Need not be same Need not be different Must be different Must be same ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Sedative Hallucinating substance Mental stimulant Tranquillizer Sedative Hallucinating substance Mental stimulant Tranquillizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Lignite Anthracite Peat Bituminous Lignite Anthracite Peat Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Nitrogen Methane All of these Ethane Nitrogen Methane All of these Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrification is the biological process of converting Ammonia into nitrite Ammonia into N2 N2into nitrite N2 into nitrate Ammonia into nitrite Ammonia into N2 N2into nitrite N2 into nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/3 1/6 1/8 1/4 1/3 1/6 1/8 1/4 ANSWER DOWNLOAD EXAMIANS APP
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