Chemistry Questions

Which of the following green house gases has the greatest heat-trapping ability?

_______ is an anaesthetic agent.

The common name of dichlorodifluoromethane is _____.

When iron is exposed to moist air, a reddish brown coating of hydrated Iron (III) Oxide (Fe2O3) is deposited on its surface. This reddish brown coating is called

Find the odd one out.

____ is the most electropositive and ___ is the most electronegative element of the third period of modern periodic table.

Elements A, B and C occur as Dobereiners triads. If the atomic mass of A is 7 and that of C is 39, what will be the atomic mass of B?

Give an example of a salt which gives an aqueous solution of pH less than 7.