Question : Who invented the modern periodic table?

Option 1: Michael Faraday

Option 2: Dmitri Mendeleev

Option 3: Isaac Newton

Option 4: Niels Bohr

Question : According to Mendeleev's periodic table, what was the atomic mass of eka-Aluminium which was later replaced by Gallium?

Option 1: 95

Option 2: 83

Option 3: 68

Option 4: 50

Question : In 1955, which synthetic element was provisionally named Mendelevium in honour of Dmitri Mendeleev, who created one of the first periodic tables?

Option 1: Element 90

Option 2: Element 101

Option 3: Element 103

Option 4: Element 106

Question : It is difficult to fix a nail on a free-suspended wooden frame. Which law supports this statement?

Option 1: Law of inertia

Option 2: Newton's second law

Option 3: Newton's third law

Option 4: Pascal's law

Question : Which of the following scientists provided the Law of Octaves?

Option 1: Galileo Galilei

Option 2: John Newlands

Option 3: Michael Faraday

Option 4: Marie Curie