Chemistry Past Questions and Answers

If one of the following oxides is heated with hydrogen or carbon using a bunsen burner, it is not reduced to the metal. Which one is it?

Which of the following statement is false?

A mixture of ethanol, sodium dichromate, and water is allowed to drop gradually into a boiling solution containing one part concentrated H<sub style='font-size: smaller;'>2</sub>SO<sub style='font-size: smaller;'>4</sub> and the liberate gas is collected by cooling it with ice water to give a liquid. This liquid is?

When chlorine gas is passed into a solution of sulphur dioxide?

In the above experiment X is