Chemistry Genius Quiz

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1. Elements are arranged in increasing order of atomic mass in the Periodic Table. - Which of the following scientists made the above statement?

  • Mendeleev
  • Dobereiner
  • Newlands
  • Meyer
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2. What is the product of water and pentyl ethanoate under acidic conditions?

  • Ethanoic acid and pentanol
  • Pentanol, two equivalents
  • Butanol and water
  • Ethanoic acid, two equivalents

3. Element M is in Group 2 in the Periodic Table. Element M reacts with chlorine gas to form a compound with the formula MCl2 What is the formula of the oxide of element M?

  • MO
  • M2O
  • MO FARAH
  • None of them.
  • MO2
  • M2O2

4. Imagine an aluminium window grill. Which of the following explains why does the window does not corrode rapidly?

  • Aluminium is a light and hard metal.
  • Aluminium has a low specific heat capacity.
  • Aluminium is protected by a layer of aluminium oxide on its surface.
  • Aluminium reacts with air in the presence of water.

5. Which of the following statement is about oxidation reaction?

  • Decrease in oxidation number
  • Gain of hydrogen
  • Loss of electrons
  • Loss of oxygen

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