In India, the steel production industry requires the import of

[UPSC Civil Services Exam – 2016 Prelims]

(a) Saltpetre

(b) Rock phosphate

(c) Coking coal

(d) All of the above


Answer: (c)

Explanation:

  • Potassium nitrate, also known as saltpetre, is not utilized in the production of steel.
  • Rather, it finds applications in the production of fertilizers, tree stump removal, rocket propellants, and fireworks.
  • It has been used as a food preservative since the Middle Ages and is a key component of gunpowder (black powder).
  • On the other hand, rock phosphate is primarily used in fertilizer production and has no role in steelmaking.
  • It is worth noting that India imports coking coal, which is an essential ingredient in steel production, with a requirement of 0.8 tonnes of coking coal to produce one tonne of steel.

Therefore, option (c) is the correct answer.

Consider the following statements:                                                                   The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:                                               

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Consider the following statements:                                                         The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:                                               

Read More »

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