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
Which bond is formed when atoms share electrons?
a) Ionic bond
b) Covalent bond
c) Metallic bond
d) Hydrogen bond
The chemical formula H2O represents which molecule?
a) Water
b) Hydrogen peroxide
c) Carbon dioxide
d) Oxygen
How many covalent bonds does carbon typically form?
a) 1
b) 2
c) 3
d) 4
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
What is the electron arrangement of the helium (He) atom?
a) 1s2
b) 1s1
c) 2s2
d) 2s1
Which type of bond is the strongest?
a) Covalent bond
b) Ionic bond
c) Metallic bond
d) Hydrogen bond
How many valence electrons does an atom of nitrogen (N) have?
a) 2
b) 5
c) 7
d) 8
What is the molecular formula of methane?
a) CH4
b) CO2
c) H2O
d) N2
What is the charge on a cation?
a) Positive
b) Negative
c) Neutral
d) Zero
How many atoms are there in a water (H2O) molecule?
a) 1
b) 2
c) 3
d) 4
What is the molecular formula of glucose?
a) C6H12O6
b) CH4
c) H2O
d) N2
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
How many covalent bonds does a nitrogen (N) atom typically form?
a) 1
b) 2
c) 3
d) 4
The chemical formula CO2 represents which molecule?
a) Water
b) Hydrogen peroxide
c) Carbon dioxide
d) Oxygen
What is the electron arrangement of the lithium (Li) atom?
a) 1s2
b) 1s1
c) 2s2
d) 2s1
Which type of bond is formed between two non-metal atoms?
a) Covalent bond
b) Ionic bond
c) Metallic bond
d) Hydrogen bond
How many valence electrons does an atom of oxygen (O) have?
a) 2
b) 5
c) 6
d) 8
What is the molecular formula of carbon dioxide?
a) CH4
b) CO2
c) H2O
d) N2
What is the charge on an anion?
a) Positive
b) Negative
c) Neutral
d) Zero
How many atoms are there in a methane (CH4) molecule?
a) 1
b) 2
c) 3
d) 4
What is the molecular formula of water?
a) CH4
b) CO2
c) H2O
d) N2
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
How many covalent bonds does an oxygen (O) atom typically form?
a) 1
b) 2
c) 3
d) 4
The chemical formula CH4 represents which molecule?
a) Water
b) Hydrogen peroxide
c) Carbon dioxide
d) Methane
What is the electron arrangement of the neon (Ne) atom?
a) 1s2
b) 1s1
c) 2s2
d) 2s1
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
How many valence electrons does an atom of carbon (C) have?
a) 2
b) 5
c) 6
d) 8
What is the molecular formula of carbon tetrachloride?
a) CCl4
b) CO2
c) H2O
d) N2
What is the charge on a cation?
a) Positive
b) Negative
c) Neutral
d) Zero
How many atoms are there in a carbon dioxide (CO2) molecule?
a) 1
b) 2
c) 3
d) 4
What is the molecular formula of carbon monoxide?
a) CH4
b) CO2
c) H2O
d) CO
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
How many covalent bonds does an oxygen (O) atom typically form?
a) 1
b) 2
c) 3
d) 4
The chemical formula C6H12O6 represents which molecule?
a) Water
b) Hydrogen peroxide
c) Glucose
d) Oxygen
What is the electron arrangement of the sodium (N
a) atom?
a) 1s2
b) 1s1
c) 2s2
d) 2s1
Which type of bond is the strongest?
a) Covalent bond
b) Ionic bond
c) Metallic bond
d) Hydrogen bond
How many valence electrons does an atom of nitrogen (N) have?
a) 2
b) 5
c) 7
d) 8
What is the molecular formula of carbonic acid?
a) CH4
b) CO2
c) H2CO3
d) N2
What is the charge on an anion?
a) Positive
b) Negative
c) Neutral
d) Zero
How many atoms are there in a glucose (C6H12O6) molecule?
a) 1
b) 2
c) 3
d) 24
What is the molecular formula of hydrogen peroxide?
a) CH4
b) CO2
c) H2O2
d) N2
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
How many covalent bonds does a carbon (C) atom typically form?
a) 1
b) 2
c) 3
d) 4
The chemical formula H2O2 represents which molecule?
a) Water
b) Hydrogen peroxide
c) Carbon dioxide
d) Oxygen
What is the electron arrangement of the neon (Ne) atom?
a) 1s2
b) 1s1
c) 2s2
d) 2s1
Which type of bond is formed between two non-metal atoms?
a) Covalent bond
b) Ionic bond
c) Metallic bond
d) Hydrogen bond
How many valence electrons does an atom of carbon (C) have?
a) 2
b) 5
c) 6
d) 8
What is the molecular formula of carbon tetrachloride?
a) CCl4
b) CO2
c) H2O
d) N2
What is the charge on a cation?
a) Positive
b) Negative
c) Neutral
d) Zero
How many atoms are there in a carbon dioxide (CO2) molecule?
a) 1
b) 2
c) 3
d) 4
What is the molecular formula of carbon monoxide?
a) CH4
b) CO2
c) H2O
d) CO
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
How many covalent bonds does an oxygen (O) atom typically form?
a) 1
b) 2
c) 3
d) 4
The chemical formula C6H12O6 represents which molecule?
a) Water
b) Hydrogen peroxide
c) Glucose
d) Oxygen
What is the electron arrangement of the sodium (N
a) atom?
a) 1s2
b) 1s1
c) 2s2
d) 2s1
Which type of bond is the strongest?
a) Covalent bond
b) Ionic bond
c) Metallic bond
d) Hydrogen bond
How many valence electrons does an atom of nitrogen (N) have?
a) 2
b) 5
c) 7
d) 8
What is the molecular formula of carbonic acid?
a) CH4
b) CO2
c) H2CO3
d) N2
What is the charge on an anion?
a) Positive
b) Negative
c) Neutral
d) Zero
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