Class 9 Chemistry MCQs - Chapter 3
Fundamentals of Chemistry Multiple Choice Questions (MCQs) PDF Download - 1
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Fundamentals of Chemistry MCQs with Answers PDF Download: Quiz 1
A mixture that consists of different components is called
- homogeneous mixture
- heterogeneous mixture
- mixture
- dilute solution
Free radicals are electrically
- positively charged
- negatively charged
- neutral
- all of above
The empirical formula for water is
- CO2
- HO
- H2
- H2O
Hair contains keratin proteins which are also present in nails and wool is an example of
- Biochemistry
- Inorganic chemistry
- Physical chemistry
- organic chemistry
The natural force that holds together elements together is called
- chemical bond
- force of attraction
- gravitational force
- physical bond
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