If a student use dumus method to determine the molecular weight of oil it can be successfully done?

Asmall amount of a solid is added to water. the observation made after fifteen minutes is shown in the figure. which of these solids has been probably added to water? a) oil b) sand c) sugar d) wood chips

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

Which formula can be used to calculate the molar mass of hydrogen peroxide