← All lessons
🔬 Science - Class 10
EN
नेपाली
Home
›
Class 10
›
Science
›
Unit 17: Minerals
›
Metallurgy
Unit 17 · Minerals
Metallurgy
Science
Subject
8 min
Estimated read
📖
Note
🔬
Activity
⭐
Points to Remember
✏️
Practice Questions
🧪
Practice Test
🖥️
Presentation
Question 1 of 16
1
Which is the first step in extracting a metal from its ore?
Concentration
Roasting
Grinding
Smelting