Total number of halogen elements found in the periodic table is
A). 3
B). 5
C). 8
D). 13
5
Total number of halogen elements found in the periodic table is 6.
1. Kidney stones are composed of ______.
2. Which among the following will be a negative ion?
4. Burning pyrites ore gives out
5. Which one of the following minerals is found in Mona2ite sand
6. Which of these acids is not organic in origin?
7. PVC is obtained by the polymerisation of
8. Concentration of a material which is lethal to 50% animal is called
9. The most abundant element in the human body is
10. Atomic number of which of the following elements is greater than that of Zinc