Important ore of $Mg$ is

Give uses of sodium carbonate $(Na_2CO_3 \cdot 10H_2O)$.

Write a note on the anomalous behavior of lithium compared to other alkali metals.

Which of the following oxides is not expected to react with sodium hydroxide?

Which of the following metals,upon burning in moist air,does not produce the smell of ammonia?

The reducing power of a metal depends on various factors. Suggest the factor which makes $Li$ metal the strongest reducing agent in aqueous solution.