Chemistry

Which of these metals has an ore named as ‘Malachite’?

• [A] Zinc

• [B] Aluminium

• [C] Iron

• [D] Copper

Which of these industrial processes is used for production of aluminium from alumina?

• [A] Vunyukov process

• [B] Hall–Heroult process

• [C] Betts process

• [D] None of the above

In which of the following groups is Gold placed in the modern periodic table?

• [A] 10

• [B] 12

• [C] 11

• [D] 9

The empirical formula of benzene is similar to

• [A] water

• [B] glycerin

• [C] hydrogen peroxide

• [D] glucose

Atom was a name given by

• [A] Democritus

• [B] Bohr

• [C] Rutherford

• [D] Archimedes