Which of the following is included in halogen family?
a) potassium
b) helium
c) astatine
d) argon
The word “halogen” is derived from…….
a) Italian
b) Greek
c) Russian
d) Spanish
The word “halogen” means…..
a) water
b) acid
c) salt forming
d) base
Halogens are found in environment only in the form of …….
a) ions
b) compound
c) free
d) both a and b
Halogens are……
a) metals
b) non-metals
c) metalloids
d) all of these
Which of the following halogen/s is /are in gas state at room temperature?
a) fluorine
b) chlorine
c) bromine
d) both a and b
