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- 1. Multiple Choice
Which of these metals has an ore named as ‘Malachite’?
[A] Zinc
[B] Aluminium
[C] Iron
[D] Copper
- 2. Multiple Choice
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
- 3. Multiple Choice
In which of the following groups is Gold placed in the modern periodic table?
[A] 10
[B] 12
[C] 11
[D] 9
- 4. Multiple Choice
The empirical formula of benzene is similar to
[A] water
[B] glycerin
[C] hydrogen peroxide
[D] glucose
- 5. Multiple Choice
Atom was a name given by
[A] Democritus
[B] Bohr
[C] Rutherford
[D] Archimedes
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