Chemistry Which of the following is the maximum number of electrons that can be present in M-shell? 18 2 8 32 18 2 8 32 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Sulphur dioxide Nitrogen dioxide Hydrogen sulphide Chlorofluorocarbon Sulphur dioxide Nitrogen dioxide Hydrogen sulphide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the strongest base in aqueous solution ? Triethylamine Diethylamine Ammonia Ethylamine Triethylamine Diethylamine Ammonia Ethylamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Radium Carbon-14 Phosphorus-31 Tritium Radium Carbon-14 Phosphorus-31 Tritium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal ion present in Vitamin B12 is Nickel Cobalt Zinc Iron Nickel Cobalt Zinc Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Cannot be predicted Decreases Remains same Increases Cannot be predicted Decreases Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
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