A.Cobalt
B.Magnesium
C.Chlorine
D.Calcium
Related Mcqs:
- A trace element essential for plant grwoth and radio-isotope which is used in cancer therapy is known is:
- Temporary hardness of water is caused by
- Main hardening materials in bones are:
- A hard water may contain
- Which of the following is not essential element of community?
- Which of the following is not an essential element of society?
- Dolomite:
- Major constituent of bone is:
- Which is most abundant element in sea water?
- Which of the following is a micronutrient?
