Question Paper
Class / Subject: Class 6 (ICSE) · Science
Chapter: Chapter 10 — Chapter 10: Elements, Compounds and Symbols
Time Allowed: 32 minutes
Max Marks: 16
1. What is a chemical symbol? [1]
(A) A short representation of an element
(B) A type of compound
(C) A type of mixture
(D) A type of force
2. What is the symbol for hydrogen? [1]
(A) H
(B) O
(C) Fe
(D) He
3. What is the symbol for oxygen? [1]
(A) O
(B) H
(C) Fe
(D) N
4. What is the symbol for iron? [1]
(A) Fe
(B) I
(C) Ir
(D) In
5. What is a compound? [1]
(A) A combination of elements combined chemically
(B) A single element
(C) A type of force
(D) A type of mixture without bonding
6. What is water made of? [1]
(A) Hydrogen and oxygen
(B) Only hydrogen
(C) Only oxygen
(D) Nitrogen and carbon
7. What is the chemical formula for water? [1]
(A) H₂O
(B) H₂O₂
(C) HO
(D) H₃O
8. Do compounds have the same properties as their elements? [1]
(A) No, often very different
(B) Yes, always identical
(C) Sometimes similar, always identical
(D) Properties don't matter
9. What is a chemical symbol? [1]
(A) A short representation of an element
(B) A type of compound
(C) A type of mixture
(D) A type of force
10. What is the symbol for hydrogen? [1]
(A) H
(B) O
(C) Fe
(D) He
11. What is the symbol for oxygen? [1]
(A) O
(B) H
(C) Fe
(D) N
12. What is the symbol for iron? [1]
(A) Fe
(B) I
(C) Ir
(D) In
13. What is a compound? [1]
(A) A combination of elements combined chemically
(B) A single element
(C) A type of force
(D) A type of mixture without bonding
14. What is water made of? [1]
(A) Hydrogen and oxygen
(B) Only hydrogen
(C) Only oxygen
(D) Nitrogen and carbon
15. What is the chemical formula for water? [1]
(A) H₂O
(B) H₂O₂
(C) HO
(D) H₃O
16. Do compounds have the same properties as their elements? [1]
(A) No, often very different
(B) Yes, always identical
(C) Sometimes similar, always identical
(D) Properties don't matter