CBES Board Class 9/CLASS 9 FUNDAMENTALS OF CHEMISTRY MCQS Sample Test,Sample questions

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Question: 
 If 9.05 moles of ozone is formed in a storm then the mass of ozone is

1.435g

2.450g

3.434.4g

4.480g

Question: 
A mixture that consists of different components is called

1.homogeneous mixture

2.heterogeneous mixture

3.mixture

4.dilute solution

Question: 
Biochemistry deals with

1.physical changes in living organisms only

2.chemical changes in living organisms only

3.genetically changes in living organisms

4.physical and chemical changes in living organisms

Question: 
Biochemistry deals with

1.Ca-2

2.Ca-1

3.Ca+2

4.Ca-2

Question: 
Ca on losing 2 electrons becomes

1. Ca-2

2.Ca-1

3.Ca+2

4.Ca-2

Question: 
Free radicals are electrically

1.positively charged

2.negatively charged

3.neutral

4. all of above

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

1.Biochemistry

2. Inorganic chemistry

3.Physical chemistry

4.organic chemistry

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

1.Biochemistry

2. Inorganic chemistry

3.Physical chemistry

4.organic chemistry

Question: 
The empirical formula for water is

1. CO2

2.HO

3.H2

4.H2O

Question: 
The natural force that holds together elements together is called

1.chemical bond

2. force of attraction

3. gravitational force

4.physical bond

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Learn CLASS 9 FUNDAMENTALS OF CHEMISTRY MCQS,Learn CBES Board Class 9 Objetive choice questions and answers,CBES Board Class 9 Multiple choice questions and answers,CBES Board Class 9 objective, CBES Board Class 9 questions , CBES Board Class 9 answers,CBES Board Class 9 MCQs questions and answer
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