Question Paper
Class / Subject: Class 10 (CBSE) · Science
Chapter: Chapter 3 — Chapter 3: Metals and Non-metals
Time Allowed: 15 minutes
Max Marks: 6
1. Metals that can be beaten into thin sheets are called: [1]
(A) malleable
(B) brittle
(C) ductile only
(D) lustrous only
2. A metal that reacts violently with water at room temperature is: [1]
(A) sodium
(B) gold
(C) iron
(D) silver
3. Metals generally react with dilute acids to release: [1]
(A) hydrogen gas
(B) oxygen gas
(C) nitrogen gas
(D) carbon dioxide
4. Highly reactive metals are extracted using: [1]
(A) electrolysis
(B) simple heating only
(C) carbon reduction only
(D) no extraction needed
5. A metal more reactive than iron, requiring electrolysis for extraction, is: [1]
(A) Sodium
(B) Copper
(C) Gold
(D) Silver
6. Unreactive metals like gold are often found in nature: [1]
(A) in their free (uncombined) state
(B) only as complex compounds
(C) only underwater
(D) only as gases