Match the compounds given in List–II with the compounds which are present in List–I
 
List -I List-II
A. Soda Ash  P. \(NaF\)
B. Chlorophyll Q. \(Ca(OH)_2 \)
C. White washing R. \(Na_2CO_3 \)
D. Tooth paste S. \(Mg^{2+}\) ions 

1. A – P, B – Q, C – R, D – S.
2. A – R, B – S, C – Q, D – P.
3. A – R, B – S, C – P, D – Q.
4. A – P, B – Q, C – S, D – R.
Subtopic:  Biological Importance of S Block Elements and & Its Ore |
 78%
Level 2: 60%+
JEE
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Which of the following plays an important role in neuromuscular functions?
1. Ca
2. Mg
3. Be
4. Li
Subtopic:  Biological Importance of S Block Elements and & Its Ore |
 90%
Level 1: 80%+
JEE
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