Class 9 Chemistry MCQs - Chapter 3

Fundamentals of Chemistry Multiple Choice Questions (MCQs) PDF Download - 9

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The Multiple Choice Question (MCQ Quiz): Mass of carbon present in 44g of carbon dioxide is; "Fundamentals of Chemistry" App Download (Free) with answers 6g, 12g, 24g and 44g for online certificate programs. Solve chemical calculations quiz questions, download Google eBook (Free Sample) for distance learning classes.

Fundamentals of Chemistry Questions & Answers PDF Download: MCQ Quiz 9

MCQ 41: The mass of carbon present in 44g of carbon dioxide is

MCQ 42: The substance which has a formula mass of 133.5 amu is

MgCl₂
S₂Cl₂
BCl₃
AlCl₃

MCQ 43: Cookies and bread rise due to

conversion of washing soda into CO₂
conversion of H₂O in to CO₂
conversion of baking soda into O₂
conversion of baking soda in to CO₂

MCQ 44: A free radical has

odd number of electrons
even number of electrons
no electrons
none of above

MCQ 45: When halogens are exposed to sunlight, they split up in to

atoms
ions
radicals
molecules

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