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Question

Which of the following metals are mixed with iron to get stainless steel?

This question was previously asked in
RRB NTPC 2024 Undergraduate CBT 1 Question Paper (29-Aug-2025) (Shift 1)
The correct answer is

nickel and chromium

The correct answer is option 1 i.e. nickel and chromium.

Stainless steel is an important alloy made by mixing iron with nickel and chromium. The addition of chromium imparts high corrosion resistance, which is a key property of stainless steel. Nickel enhances the strength and improves the ductility of the alloy, making it strong yet workable. The presence of both nickel and chromium ensures that stainless steel does not rust easily and maintains its shine for a long time. Due to these properties, stainless steel is widely used in kitchen utensils, construction materials, and medical instruments. Therefore, the correct answer is nickel and chromium.

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Similar Questions

  1. Which of the following metals CANNOT be cut with a knife?

  2. Which of the following will be formed when dilute hydrochloric acid is added to a beaker having copper oxide ?

  3. Which of the following statement is incorrect regarding metals?

  4. Which of the following metals is more reactive towards dilute hydrochloric acid?

  5. A large number of impurities present in ore, such as sand, soil, etc., is called

  6. Which of the following metals is found in free state?
  7. Metal oxides which react with acids as well as bases are called:
  8. Which of the following metals does NOT react with cold or hot water?

Important Questions from Metals & Non-metals

  1. Due to improper/indiscriminate disposal of hold and used computers or their parts, which of the following are released into the environment as e-waste?

    1. Beryllium 

    2. Cadmium 

    3. Chromium 

    4. Heptachlor 

    5. Mercury 

    6. Lead 

    7. Plutonium 

    Select the correct answer using the codes given below:

  2. Recently, there has been a concern over the short supply of a group of elements called 'rare earth metals'. Why? 

    1. China, which is the largest producer of these elements, has imposed some restrictions on their export. 

    2. Other than China, Australia, Canada and Chile, these elements are not found in any country. 

    3. Rare earth metals are essential for the manufacture of various kinds of electronic items and there is a growing demand for these elements. 

    Which of the statements given above is/are correct?

  3. Which of the following metals CANNOT be cut with a knife?

  4. Which of the following will be formed when dilute hydrochloric acid is added to a beaker having copper oxide ?

  5. Which of the following statement is incorrect regarding metals?

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