Chemistry Questions

Which chemical is present in the cells of cork of tree which makes them impervious to gases and water

Which of the following elements has the lowest melting point?

Atomic number of which of the following elements is greater than that of Iodine

Atoms of same element having different mass numbers are called__________

Atomic number of which of the following elements is greater than that of Zinc

The most pure form of carbon among the options is

Which among the following is an example of solid sol?

Barium loses ____ electrons to achieve noble gas electron configuration.