JEE PYQ: P Block Elements Question 50
Question 50 - 2019 (09 Apr Shift 2)
The amorphous form of silica is:
(1) Tridymite
(2) Kieselguhr
(3) Cristobalite
(4) Quartz
Show Answer
Answer: (2)
Solution
Quartz, tridymite and cristobalite are crystalline forms of silica, while kieselguhr is an amorphous form of silica.