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JEE Main · 2022 · 29 Jun 2022 · Shift 1 · Chapter_pending

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Match the List-I with List- II.

Choose the most appropriate answer from the option given below:

Answer: A → III, B → I, C → IV, D → II

Solution

Matching the metals with their applications:
  • Cs (Caesium): Used in photoelectric cells due to its low ionization energy and high photoelectric sensitivity.
  • Ga (Gallium): Has a very high boiling point and low toxicity, making it suitable for high-temperature thermometers.
  • B (Boron): Boron fibers are extremely strong and used in making bullet-proof vests.
  • Si (Silicon): Silicones (silicon-based polymers) are water-repellent and used in water-repellent sprays.

The correct matching is: (A)-(III), (B)-(I), (C)-(IV), (D)-(II).

Answer: (A)

JEE Main · 2022 · 29 Jun 2022 · Shift 1 · Match the columns

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  1. Match the List-I with List-II

    Choose the correct answer from the options given below:
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    (3) A-I,B-III,C-IV,D-II
    (4) A-III,B-IV,C-I,D-II
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    (2) A-IV,B-III,C-I,D-II
    (3) A-IV,B-I,C-II,D-III
    (4) A-IV,B-II,C-I,D-III
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