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? 1/6 1/8 1/3 1/4 1/6 1/8 1/3 1/4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a Carbonyl group a carbon atom makes double bond with Carbon None of these Hydrogen Oxygen Carbon None of these Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Magnesium Silicon Calcium Sodium Magnesium Silicon Calcium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon suboxide Carbon monoxide Sulphur dioxide Carbon dioxide Carbon suboxide Carbon monoxide Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stalactites and Stalagmites form due to the precipitation of : CaCl2 MgCO3 MgCl2 CaCO3 CaCl2 MgCO3 MgCl2 CaCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to denature ethanol ? Methyl alcohol Methane Propyl alcohol Phenol Methyl alcohol Methane Propyl alcohol Phenol ANSWER DOWNLOAD EXAMIANS APP
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