Chemistry Questions

The property of metals by which they can be beaten into thin sheets is called _______________.

The residual attractive or repulsive forces between molecules or atomic groups that do not arise from a covalent bond, or ionic bonds is called _____

When iron rusts, its weight .....

Removal of carbon particles from air involves the principle of

Which of the following is applied on the top of the matchsticks?

........... is not a sub atomic particle of an atom.

What  is  the  number  of  atoms  in  46  g  of sodium-23 (N = Avogadro constant)?

There are two elements-calcium (atomic number 20) and argon (atomic number 18). The mass number of both the elements is 40. They are therefore known as