Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.
2H2 + O2 → 2H2O
H2 + Cl2 → 2HCl
C + O2 → CO2
Fe + O2 → Fe2O3
Video Explanation
Watch Video Solution
Login to get access
Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.