JEE Main201911 Jan 2019Evening ShiftChemistrys Block ElementsActual
Match the following items in column I with the corresponding items in column II.
Options
- A(i) (B); (ii) (C); (iii) (A); (iv) (D)
- B(i) ( C ) ; (ii) ( B ) ; (iii) ( D ) ; (iv) ( A )
- C(i) (D); (ii) (A); (iii) (B); (iv) (C)
- 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