Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 4.84 x 1017 6.023 x 1019 1.568 x 103 6.023 x 1023 4.84 x 1017 6.023 x 1019 1.568 x 103 6.023 x 1023 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Nitrous oxide Carbon monoxide Carbon dioxide Sulphur dioxide Nitrous oxide Carbon monoxide Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Sulphur dioxide Carbon dioxide Chlorofluorocarbons Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbons Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of SOCl2 NaOH NaHCO3 Tollen's reagent SOCl2 NaOH NaHCO3 Tollen's reagent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium is produced by the electrolysis of Molten sodium chloride Aqueous brine solution Its cyanide complex Molten sodium carbonate Molten sodium chloride Aqueous brine solution Its cyanide complex Molten sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is abundant in Gobar gas? Oxygen Hydrogen Carbon dioxide Methane Oxygen Hydrogen Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
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