If forward and reverse reactions are both fast, what is generally expected?
- Equilibrium is reached sooner
- Equilibrium becomes impossible
- The reaction becomes irreversible
- All products disappear
Answer / جواب
Equilibrium is reached sooner
Class 9 Chemistry Chapter 6 MCQs — Equilibria
Class 9 Chemistry · Chapter 6 · Retained syllabus for Annual 2027
Practise this chapter online, check each answer and review your result. The current bank contains 6 objective questions for this chapter and medium.
Sample practice questions
Which atmospheric gases react during lightning?
- Nitrogen and oxygen
- Nitrogen and water vapour
- Carbon dioxide and oxygen
- Oxygen and water vapour
Answer / جواب
Nitrogen and oxygen
Which observation characterizes equilibrium in a closed reaction mixture?
- Reactant and product concentrations become constant
- All reactants must disappear
- Exactly half the reactants disappear
- Products must be removed continuously
Answer / جواب
Reactant and product concentrations become constant
Why does gas escape when a fizzy drink can is opened?
- Pressure above the drink decreases
- The gas becomes a solid
- Pressure above the drink increases
- The drink becomes pure water
Answer / جواب
Pressure above the drink decreases
Printable practice
Use custom mode for a chapter paper. Board Annual mode uses the complete prescribed syllabus and published question distribution for supported subjects.