A.Calcium
B.Magnesium
C.Aluminum
D.Iron
Related Mcqs:
- Temporary hardness of water is caused by
- The most common element by weight in the earth’s crust is
- Which of the following metal has the lowest specific gravity?
- Which metal has the lowest melting point?
- Main hardening materials in bones are:
- A hard water may contain
- The material used for construction of cylinder block is:
- Dolomite:
- Major constituent of bone is:
- What is most abundant component of salts in sea?
