🧪 CBES Board Class 9 MCQ Quiz Hub

CLASS 9 FUNDAMENTALS OF CHEMISTRY MCQS

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1. A mixture that consists of different components is called




2. Free radicals are electrically




3. The empirical formula for water is




4. Hair contains keratin proteins which are also present in nails and wool is an example of




5. Hair contains keratin proteins which are also present in nails and wool is an example of




6. The natural force that holds together elements together is called




7. If 9.05 moles of ozone is formed in a storm then the mass of ozone is




8. Ca on losing 2 electrons becomes




9. Biochemistry deals with




10. Biochemistry deals with