Approximately how many atoms are present in 1 g of water?
- 1.004 × 10²³ atoms
- 6.022 × 10²³ atoms
- 3.345 × 10²² atoms
- 2.008 × 10²³ atoms
Answer / جواب
1.004 × 10²³ atoms
Class 9 Chemistry Chapter 4 MCQs — Stoichiometry
Class 9 Chemistry · Chapter 4 · Retained syllabus for Annual 2027
Practise this chapter online, check each answer and review your result. The current bank contains 7 objective questions for this chapter and medium.
Sample practice questions
What is the formula of calcium phosphide?
- Ca₃P₂
- CaP
- CaP₂
- Ca₂P₃
Answer / جواب
Ca₃P₂
Approximately how many atomic mass units correspond to one gram?
- 6.022 × 10²³ u
- 1 u
- 10⁶ u
- 6.022 × 10²² u
Answer / جواب
6.022 × 10²³ u
What is the empirical formula of 2-hexene, C₆H₁₂?
- CH₂
- C₂H₂
- CH
- C₆H₁₂
Answer / جواب
CH₂
Printable practice
Use custom mode for a chapter paper. Board Annual mode uses the complete prescribed syllabus and published question distribution for supported subjects.