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JEE Main201911 Jan 2019Evening ShiftChemistrys Block ElementsActual

Match the following items in column I with the corresponding items in column II.

Options

  1. A(i) (B); (ii) (C); (iii) (A); (iv) (D)
  2. B(i) ( C ) ; (ii) ( B ) ; (iii) ( D ) ; (iv) ( A )
  3. C(i) (D); (ii) (A); (iii) (B); (iv) (C)
  4. D(i) (C); (ii) (D); (iii) (B); (iv) (A)

Correct answer

D. (i) (C); (ii) (D); (iii) (B); (iv) (A)

Step-by-step solution

(i) Na ₂ CO ₃ 10 H ₂ O Solvay process (ii) Mg ( HCO ₃ )₂ Temporary hardness (iii) NaOH Castner-Kellner process (iv) Ca ₃ Al ₂ O ₆ Portland cement

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