Question Paper
Class / Subject: Class 10 (ICSE) · Chemistry
Chapter: Chapter 2 — Chapter 2: Chemical Bonding
Time Allowed: 32 minutes
Max Marks: 16
1. What is ionic bonding? [1]
(A) Complete transfer of electrons
(B) Sharing of electron pairs
(C) No electron movement
(D) Only proton transfer
2. What is covalent bonding? [1]
(A) Sharing of electron pairs
(B) Complete transfer of electrons
(C) No electron movement
(D) Only proton transfer
3. Between which types of atoms does ionic bonding typically occur? [1]
(A) Metal and non-metal
(B) Two metals
(C) Two non-metals
(D) Only metals
4. Between which types of atoms does covalent bonding typically occur? [1]
(A) Two non-metals
(B) A metal and non-metal
(C) Two metals
(D) Only metals
5. What is a property of ionic compounds? [1]
(A) High melting points
(B) Low melting points always
(C) No melting point
(D) Never conduct electricity
6. When do ionic compounds conduct electricity? [1]
(A) When molten or dissolved
(B) Never
(C) Only as solids
(D) Always, in any state
7. What is an example of an ionic compound? [1]
(A) Table salt (NaCl)
(B) Water (H2O)
(C) Methane (CH4)
(D) Oxygen gas (O2)
8. Why learn chemical bonding? [1]
(A) To explain properties of substances
(B) No reason
(C) It's not useful
(D) Only for tests
9. What is ionic bonding? [1]
(A) Complete transfer of electrons
(B) Sharing of electron pairs
(C) No electron movement
(D) Only proton transfer
10. What is covalent bonding? [1]
(A) Sharing of electron pairs
(B) Complete transfer of electrons
(C) No electron movement
(D) Only proton transfer
11. Between which types of atoms does ionic bonding typically occur? [1]
(A) Metal and non-metal
(B) Two metals
(C) Two non-metals
(D) Only metals
12. Between which types of atoms does covalent bonding typically occur? [1]
(A) Two non-metals
(B) A metal and non-metal
(C) Two metals
(D) Only metals
13. What is a property of ionic compounds? [1]
(A) High melting points
(B) Low melting points always
(C) No melting point
(D) Never conduct electricity
14. When do ionic compounds conduct electricity? [1]
(A) When molten or dissolved
(B) Never
(C) Only as solids
(D) Always, in any state
15. What is an example of an ionic compound? [1]
(A) Table salt (NaCl)
(B) Water (H2O)
(C) Methane (CH4)
(D) Oxygen gas (O2)
16. Why learn chemical bonding? [1]
(A) To explain properties of substances
(B) No reason
(C) It's not useful
(D) Only for tests