Assertion : Transition metals are good catalysts.
Reason : $V_2O_5$ or $Pt$ is used in the preparation of $H_2SO_4$ by contact process.
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
If the Assertion is correct but Reason is incorrect.
If both the Assertion and Reason are incorrect.
Which of the following has lowest percentage of carbon
When ammonia is added to a cupric salt solution, the deep blue colour is observed it is due to the formation of
An oxide of copper which is red in colour has the formula
Mercury is transported in metal containers made of
The correct formula of permanganic acid is