Chemistry The third shell of an atom can have a maximum of ______ electrons 18 15 21 13 18 15 21 13 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main nitrogenous waste in humans ? Urea Uric Acid Ammonium Nitrate Ammonia Urea Uric Acid Ammonium Nitrate Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Lactic acid Glucose Urea Uric acid Lactic acid Glucose Urea Uric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry ice is the solid form of : Water Carbon di–oxide Air Nitrogen Water Carbon di–oxide Air Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Select the one which is not a mixture : Distilled water Air Gasoline LPG Distilled water Air Gasoline LPG ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Carbon tetraflouride and Nitrous oxide Ammonia and Ozone Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Carbon tetraflouride and Nitrous oxide Ammonia and Ozone ANSWER DOWNLOAD EXAMIANS APP
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