S Block Elements Question 2
Question 2 - 24 January - Shift 1
Match List I with List II.
| LIST I | LIST II | ||
|---|---|---|---|
| A. | Chlorophyll | I. | $Na_2 CO_3$ |
| B. | Soda ash | II. | $CaSO_4$ |
| C. | Dentistry, Ornamental work | III. | $Mg^{2+}$ |
| D. | Used in white washing | IV. | $Ca(OH)_2$ |
Choose the correct answer from the options given below :
(1) A - III, B - I, C - II, D - IV
(2) A - II, B - I, C - III, D - IV
(3) A - III, B - IV, C - I, D - II
(4) A - II, B - III, C - IV, D - I
Show Answer
Answer: (1)
Solution:
Formula: Importance of Mg and Ca
Chlorophyll : $Mg^{+2}$ complex
Soda ash : $Na_2 CO_3$
Dentistry, Ornamental work : $CaSO_4$
Used in white washing : $Ca(OH)_2$
