10 Important MCQs on the topic: Metals and Non-Metals for the competitive exam:

1. Which of the following is a property of metals?

   a) Poor conductor of electricity  

   b) Brittle  

   c) Malleable  

   d) Non-lustrous  

  ❤ Answer: c) Malleable

2. Which of the following is a non-metal?

   a) Copper  

   b) Sulphur  

   c) Aluminium  

   d) Iron  

   ❤ Answer: b) Sulphur

3. Metals are generally:

   a) Poor conductors of heat  

   b) Insulators  

   c) Good conductors of heat and electricity  

   d) Brittle at room temperature  

   ❤ Answer: c) Good conductors of heat and electricity

4. Which of the following is an exception to the general properties of metals?

   a) Iron is magnetic  

   b) Mercury is liquid at room temperature  

   c) Aluminium is highly ductile  

   d) Silver is a good conductor  

   ❤ Answer: b) Mercury is liquid at room temperature

5. Which of the following non-metals is essential for respiration?

   a) Carbon  

   b) Nitrogen  

   c) Oxygen  

   d) Hydrogen  

   ❤ Answer: c) Oxygen

6. Which metal reacts vigorously with water?

   a) Gold  

   b) Potassium  

   c) Silver  

   d) Copper  

   ❤ Answer: b) Potassium

7. Which of the following is a property of non-metals?

   a) Ductile  

   b) Sonorous  

   c) Poor conductor of electricity  

   d) Malleable  

   ❤ Answer: c) Poor conductor of electricity

8. Which of the following metals is used in the making of electrical wires?

   a) Aluminium  

   b) Iron  

   c) Copper  

   d) Zinc  

   ❤ Answer: c) Copper

9. Which of the following is the least reactive metal?

   a) Sodium  

   b) Calcium  

   c) Potassium  

   d) Gold  

  ❤ Answer: d) Gold

10. Which non-metal is used in the manufacturing of fertilisers?

    a) Phosphorus  

    b) Helium  

    c) Neon  

    d) Argon  

    ❤ Answer: a) Phosphorus

These questions cover key properties and uses of metals and non-metals.