Chemistry What is the element required for solar energy conversion ? Beryllium Tantalum Silicon Ultra pure carbon Beryllium Tantalum Silicon Ultra pure carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Bhopal gas tragedy' 1984 is related to which gas Methyl bromide Carbon dioxide Aluminium Phosphide Methyl isocyanate Methyl bromide Carbon dioxide Aluminium Phosphide Methyl isocyanate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Methane Carbon dioxide Nitrous oxide Chlorofluorocarbons Methane Carbon dioxide Nitrous oxide Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High polish Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities High density, due to closed packing of atoms High polish Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities High density, due to closed packing of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcoholic (– OH) group can be identified by : Ozonolysis Reaction Esterification Test Tollen's Reagent Test FeCl3Test Ozonolysis Reaction Esterification Test Tollen's Reagent Test FeCl3Test ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Glycerine Sodium Chloride Picric acid Sodium Benzoate Glycerine Sodium Chloride Picric acid Sodium Benzoate ANSWER DOWNLOAD EXAMIANS APP
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