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

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


More MCQS

  1. CLASS 9 FUNDAMENTALS OF CHEMISTRY MCQS
  2. FUNDAMENTALS OF CHEMISTRY MCQS class 9 SET 2
  3. Electrochemistry Multiple Choice Questions Class 9
  4. PHYSICAL STATES OF MATTER MCQS CLASS 9
  5. Solutions Multiple Choice Questions CLASS 9
  6. STRUCTURE OF ATOMS MCQS CLASS 9
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