What is the currency of

The _________ property of the element is a whole number.

Copper is extracted from which ore?

What type of solution is an iodine tincture?

The important ore of aluminium is-

Which of the following reactions is commonly used in the hydrogenation of vegetable oils using a nickel catalyst?

Based on the periodic trends for ionization energy, which element has the highest ionization energy?

The Nuclear Fusion on the Sun’s surface result into formation of Atoms.

The combining power of an element is called its:

Which of the following metals is the lightest in the periodic table of elements?

A substance X turns the colour of red litmus blue, and it will change methyl orange-