The sBlock Elements - Result Question 10
####11. Which of the following metal ions plays an important role in muscle contraction? [1994]
(a) $K^{+}$
(c) $Mg^{2+}$
(b) $Na^{+}$
(d) $Ca^{2+}$
Show Answer
Solution:
- (d) $Ca^{2+}$ ions is an essential element for the contraction of muscles.