Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Sulphur dioxide Chlorofluorocarbons Carbon dioxide Nitrous oxide Sulphur dioxide Chlorofluorocarbons Carbon dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Calcium hydroxide Sodium bicarbonate Magnesium hydroxide Magnesium carbonate Calcium hydroxide Sodium bicarbonate Magnesium hydroxide Magnesium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Decreases Remains same Increases Cannot be predicted Decreases Remains same Increases Cannot be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Silicon and Germanium Carbon and Platinum Tungsten and Platinum Iridium and Germanium Silicon and Germanium Carbon and Platinum Tungsten and Platinum Iridium and Germanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Tungsten Gold Platinum Iron Tungsten Gold Platinum Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the naturally occuring heaviest element Protactinium Mercury Thorium Uranium Protactinium Mercury Thorium Uranium ANSWER DOWNLOAD EXAMIANS APP
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