Question
Easy
Which one of the following is a group consisting of elements only ?
1
Steel, Iron, Zinc
2
Tin, Lithium, Sodium
3
Sodium, Brass, Potassium
4
Bronze, Copper, Aluminium
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P1
Chapter: Human Activities & Creations
Topic: Materials: Properties & Uses
Correct Answer
Option B
Explanation
Option 2, which consists of Tin, Lithium, and Sodium, is the correct answer because it is the only group that includes elements exclusively. Let's break down why this is the case: 1. Tin (Sn), Lithium (Li), and Sodium (Na): - These are all chemical elements found on the periodic table. - Tin is a metal with the atomic number 50. - Lithium is an alkali metal with the atomic numberтАжRead More
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