Chemistry Questions And Answers - Take A quiz To Solve The Mysteries of Chemistry

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Chemistry Questionsand Answers

• Taka A Quiz And Measure Your Intelligence In
  Chemistry

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Ques. 1. The most important ore of aluminum is

• Bauxite
• Magnetite
• Hematite
• Monazite
• Ans. Bauxite

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Ques. 2. The number of electrons presents in H is

• Zero
• One
• Two
• Three
• Ans. Zero. H is a hydrogen ion, and it is an ion
  because it LOST an electron. Electrons are
  negatively charged. When an atom gains electrons
  it will have NEGATIVE charges.

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Ques. 3. The National Chemical Laboratory is
situated in

• New Delhi
• Bangalore
• Pune
• Patna
• Ans. Pune

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Ques. 4. The hottest part of the gas flame is
known as

• Luminous Zone
• Dark Zone
• Blue Zone
• Non-luminous Zone
• Ans. Non-luminous Zone.

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Ques. 5. The mass number of an atom is equal to

• The Number of Protons
• The Number of Protons Electrons
• The Number of Nucleons
• The Number of Neutrons
• Ans. The Number of Nucleons

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Ques. 6. The formula C6H5-CO-CH3 represents

• Acetone
• Acetic acid
• Acetophenone
• Phenyl acetate
• Ans. Acetophenone

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Ques. 7. The monomer of polythene is

• Vinyl Chloride
• Ethylene
• Ethyl Alcohol
• None of The Above
• Ans. Ethylene

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Ques. 8. The luster of a metal is due to

• its high density
• its high polishing
• its chemical inertness
• presence of free electrons
• Ans. Presence of Free Electrons

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