A. magnesium
B. sodium
C. iron
D. chlorine
Related Mcqs:
- Deficiency of ___________ causes yellowing in plants??
- When a saturated sodium chloride solution is electrolysed using graphic anode and steel cathode the products are
- Which is most abundant element in sea water?
- What is most common salt in sea water:
- Temporary hardness of water is caused by
- A piece of paper wrapped tightly on a copper rod will get charred relatively slowly when held over a flame as compared to a piece of paper wrapped tightly on any of the following rod except:
- A hard water may contain
- Main hardening materials in bones are:
- Brackish taste of water is due to
- Inner core of the earth contains:
