p-Block Elements-I - Result Question 4-1
4. The amorphous form of silica is
(2019 Main, 9 April II)
(a) tridymite
(b) kieselguhr
(c) cristobalite
(d) quartz
Show Answer
Answer:
Correct Answer: 4. (b)
Solution:
- Silica occurs in nature in several amorphous and crystalline forms. Kieselguhr is the amorphous form of silica. Quartz, tridymite and cristobalite are crystalline forms of silica.
BETA
