NEET2009Chemistryp Block Elements (Group 15, 16, 17 & 18)Actual
SiO ₂ is reacted with sodium carbonate. What is the gas liberated?
Options
- ACO
- BO ₂
- CCO ₂
- DO ₃
Correct answer
C. CO ₂
Step-by-step solution
When silica is heated with metal carbonate, it form silicates. SiO ₂+ Na ₂ CO ₃ Na ₂ SiO ₃+ CO ₂