Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.
2H2 + O2 → 2H2O
Zn + H2SO4 → ZnSO4 + H2
CaCO3 → CaO + CO2
H2 + Cl2 → 2HCl
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.