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Doctors Medicines MCQs Q&A

  1. (a) - (iii), (b) - (i), (c) - (ii), (d) - (iv), (e) - (v) 
  2. (a) - (iv), (b) - (iii), (c) - (v), (d) - (i), (e) - (ii) 
  3. (a) - (i), (b) - (iv, (c) - (ii), (d) - (iii), (e) - (v) 
  4. (a) - (iii), (b) - (iv), (c) - (v), (d) - (i), (e) - (ii) 
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1 Answers

Option 4 : (a) - (iii), (b) - (iv), (c) - (v), (d) - (i), (e) - (ii) 

Explanation:

Chlorine:

  • Chlorine is the non-metal that possesses the quality of killing germs present in the water. Hence, it is used for disinfecting water.

Zinc:

  • Zinc is the metal commonly used in electroplating.
  • Electroplating is the process of metal coating on another piece of metal through an electrodeposition process.

Carbon:

  • Carbon is non-metal that exists in 2 forms and shows allotropism.
  • Allotropism is the property of some chemical elements in which the element exists in two different forms in the same physical states and those forms are the allotropes of elements.
  • Diamond and graphite are 2 allotropes of carbon.

Bromine:

  • Bromine is the only non-metal that is liquid at room temperature.
  • It is a thick, reddish-brown liquid that evaporates to an orange vapor at standard temperature & pressure.
  • While sulfur and carbon are the non-metals which is solid at room temperature.

Copper:

  • Copper is a metal.
  • Brass & bronze are copper-based alloys.
  • Brass is a metal alloy that is made up of copper and zinc.
  • Bronze is a metal alloy that is made up of copper and tin.
  • Alloy is a substance that combines more than one metal or mixes metal with other non-metallic elements.

Therefore, the correct answer is (a) - (iii), (b) - (iv), (c) - (v), (d) - (i), (e) - (ii).

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Related Questions

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