NEET
- Exam
- NEET
- Subject
- Chemistry
- Chapter
- p Block Elements (Group 13 & 14)
NEET · Chemistry · p Block Elements (Group 13 & 14)
Which substances attack silica?
Which substances attack silica?
Options
- AOxygen and nitrogen
- BHalogens and dihydrogen
- CHydrofluoric acid (HF) and sodium hydroxide (NaOH)
- DQuartz and cristobalite
Correct answer
C. Hydrofluoric acid (HF) and sodium hydroxide (NaOH)
Step-by-step solution
Silica is attacked by HF and NaOH.