Alum is a double sulphate.

Gallium remains liquid up to ______ Kelvin.

Which of the following elements is more reactive with air?

What is the fajan’s rule about?

What is the colour of borax bead in the basic radical chromium test?

Which of the following elements does not belong to the Carbon family?

The metallic character of ______ is less than that of alkaline earth metals.

Which of the following oxidation States to group 14 elements exhibit?