AP EAMCET2006Chemistryp Block Elements (Group 13 & 14)
Which of the following is used for making optical instruments?
Options
- ASiO ₂
- BSi
- CSiH ₄
- DSiC
Correct answer
A. SiO ₂
Step-by-step solution
Silica ( SiO ₂ ) is used for making optical instruments.