✅ Correct Answer: O3
Source: This question is taken from the Everyday Science
✅ Correct Answer: Zn(OH)2
✅ Correct Answer: H2O
✅ Correct Answer: H2SO4
✅ Correct Answer: Na2CO3
✅ Correct Answer: HO
✅ Correct Answer: Number of atoms of each elements
✅ Correct Answer: CH4
✅ Correct Answer: Paper chromatography