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9th Class Chemistry Chapter 4 MCQs with Answers

9th Class Chemistry Chapter 4 MCQs

Welcome to the 9th Class Chemistry Chapter 4 MCQs Practice and Quiz Tests. We are presenting you with top MCQ questions from the 9th Class Chemistry Chapter 4 Structure of Molecules

You can find all the 9th Class Chemistry Chapter 4 MCQs online tests on our website. These online tests are great for learning and as well as for scoring maximum marks in your Matriculation Exams. We are making these Class 9 Chemistry MCQs online tests for those who want full marks in their exams.

What is the smallest unit of a compound that retains its chemical properties?
a) Element
b) Molecule
c) Atom
d) Ion

Answer
b

Which bond is formed when atoms share electrons?
a) Ionic bond
b) Covalent bond
c) Metallic bond
d) Hydrogen bond

Answer
b

The chemical formula H2O represents which molecule?
a) Water
b) Hydrogen peroxide
c) Carbon dioxide
d) Oxygen

Answer
a

How many covalent bonds does carbon typically form?
a) 1
b) 2
c) 3
d) 4

Answer
d

Which type of bond is formed between a metal and a non-metal?
a) Covalent bond
b) Ionic bond
c) Metallic bond
d) Hydrogen bond

Answer
b

What is the electron arrangement of the helium (He) atom?
a) 1s2
b) 1s1
c) 2s2
d) 2s1

Answer
a

Which type of bond is the strongest?
a) Covalent bond
b) Ionic bond
c) Metallic bond
d) Hydrogen bond

Answer
a

How many valence electrons does an atom of nitrogen (N) have?
a) 2
b) 5
c) 7
d) 8

Answer
b

What is the molecular formula of methane?
a) CH4
b) CO2
c) H2O
d) N2

Answer
a

What is the charge on a cation?
a) Positive
b) Negative
c) Neutral
d) Zero

Answer
a

How many atoms are there in a water (H2O) molecule?
a) 1
b) 2
c) 3
d) 4

Answer
b

What is the molecular formula of glucose?
a) C6H12O6
b) CH4
c) H2O
d) N2

Answer
a

Which bond is formed between a hydrogen atom and an oxygen atom within a water molecule?
a) Ionic bond
b) Covalent bond
c) Metallic bond
d) Hydrogen bond

Answer
b

How many covalent bonds does a nitrogen (N) atom typically form?
a) 1
b) 2
c) 3
d) 4

Answer
c

The chemical formula CO2 represents which molecule?
a) Water
b) Hydrogen peroxide
c) Carbon dioxide
d) Oxygen

Answer
c

What is the electron arrangement of the lithium (Li) atom?
a) 1s2
b) 1s1
c) 2s2
d) 2s1

Answer
b

Which type of bond is formed between two non-metal atoms?
a) Covalent bond
b) Ionic bond
c) Metallic bond
d) Hydrogen bond

Answer
a

How many valence electrons does an atom of oxygen (O) have?
a) 2
b) 5
c) 6
d) 8

Answer
c

What is the molecular formula of carbon dioxide?
a) CH4
b) CO2
c) H2O
d) N2

Answer
b

What is the charge on an anion?
a) Positive
b) Negative
c) Neutral
d) Zero

Answer
b

How many atoms are there in a methane (CH4) molecule?
a) 1
b) 2
c) 3
d) 4

Answer
d

What is the molecular formula of water?
a) CH4
b) CO2
c) H2O
d) N2

Answer
c

Which bond is formed between a sodium ion and a chloride ion in a sodium chloride
(NaCl) molecule?
a) Ionic bond
b) Covalent bond
c) Metallic bond
d) Hydrogen bond

Answer
a

How many covalent bonds does an oxygen (O) atom typically form?
a) 1
b) 2
c) 3
d) 4

Answer
b

The chemical formula CH4 represents which molecule?
a) Water
b) Hydrogen peroxide
c) Carbon dioxide
d) Methane

Answer
d

What is the electron arrangement of the neon (Ne) atom?
a) 1s2
b) 1s1
c) 2s2
d) 2s1

Answer
a

Which type of bond is formed between a metal and a non-metal?
a) Covalent bond
b) Ionic bond
c) Metallic bond
d) Hydrogen bond

Answer
b

How many valence electrons does an atom of carbon (C) have?
a) 2
b) 5
c) 6
d) 8

Answer
c

What is the molecular formula of carbon tetrachloride?
a) CCl4
b) CO2
c) H2O
d) N2

Answer
a

What is the charge on a cation?
a) Positive
b) Negative
c) Neutral
d) Zero

Answer
a

How many atoms are there in a carbon dioxide (CO2) molecule?
a) 1
b) 2
c) 3
d) 4

Answer
d

What is the molecular formula of carbon monoxide?
a) CH4
b) CO2
c) H2O
d) CO

Answer
d

Which bond is formed between a nitrogen atom and an oxygen atom in a nitrogen dioxide
(NO2) molecule?
a) Ionic bond
b) Covalent bond
c) Metallic bond
d) Hydrogen bond

Answer
b

How many covalent bonds does an oxygen (O) atom typically form?
a) 1
b) 2
c) 3
d) 4

Answer
b

The chemical formula C6H12O6 represents which molecule?
a) Water
b) Hydrogen peroxide
c) Glucose
d) Oxygen

Answer
c

What is the electron arrangement of the sodium (N
a) atom?
a) 1s2
b) 1s1
c) 2s2
d) 2s1

Answer
b

Which type of bond is the strongest?
a) Covalent bond
b) Ionic bond
c) Metallic bond
d) Hydrogen bond

Answer
a

How many valence electrons does an atom of nitrogen (N) have?
a) 2
b) 5
c) 7
d) 8

Answer
b

What is the molecular formula of carbonic acid?
a) CH4
b) CO2
c) H2CO3
d) N2

Answer
c

What is the charge on an anion?
a) Positive
b) Negative
c) Neutral
d) Zero

Answer
b

How many atoms are there in a glucose (C6H12O6) molecule?
a) 1
b) 2
c) 3
d) 24

Answer
d

What is the molecular formula of hydrogen peroxide?
a) CH4
b) CO2
c) H2O2
d) N2

Answer
c

Which bond is formed between a sodium ion and a chloride ion in a sodium chloride
(NaCl) molecule?
a) Ionic bond
b) Covalent bond
c) Metallic bond
d) Hydrogen bond

Answer
a

How many covalent bonds does a carbon (C) atom typically form?
a) 1
b) 2
c) 3
d) 4

Answer
d

The chemical formula H2O2 represents which molecule?
a) Water
b) Hydrogen peroxide
c) Carbon dioxide
d) Oxygen

Answer
b

What is the electron arrangement of the neon (Ne) atom?
a) 1s2
b) 1s1
c) 2s2
d) 2s1

Answer
a

Which type of bond is formed between two non-metal atoms?
a) Covalent bond
b) Ionic bond
c) Metallic bond
d) Hydrogen bond

Answer
a

How many valence electrons does an atom of carbon (C) have?
a) 2
b) 5
c) 6
d) 8

Answer
c

What is the molecular formula of carbon tetrachloride?
a) CCl4
b) CO2
c) H2O
d) N2

Answer
a

What is the charge on a cation?
a) Positive
b) Negative
c) Neutral
d) Zero

Answer
a

How many atoms are there in a carbon dioxide (CO2) molecule?
a) 1
b) 2
c) 3
d) 4

Answer
d

What is the molecular formula of carbon monoxide?
a) CH4
b) CO2
c) H2O
d) CO

Answer
d

Which bond is formed between a nitrogen atom and an oxygen atom in a nitrogen dioxide
(NO2) molecule?
a) Ionic bond
b) Covalent bond
c) Metallic bond
d) Hydrogen bond

Answer
b

How many covalent bonds does an oxygen (O) atom typically form?
a) 1
b) 2
c) 3
d) 4

Answer
b

The chemical formula C6H12O6 represents which molecule?
a) Water
b) Hydrogen peroxide
c) Glucose
d) Oxygen

Answer
c

What is the electron arrangement of the sodium (N
a) atom?
a) 1s2
b) 1s1
c) 2s2
d) 2s1

Answer
b

Which type of bond is the strongest?
a) Covalent bond
b) Ionic bond
c) Metallic bond
d) Hydrogen bond

Answer
a

How many valence electrons does an atom of nitrogen (N) have?
a) 2
b) 5
c) 7
d) 8

Answer
b

What is the molecular formula of carbonic acid?
a) CH4
b) CO2
c) H2CO3
d) N2

Answer
c

What is the charge on an anion?
a) Positive
b) Negative
c) Neutral
d) Zero

Answer
b

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