Define the ore.

Important Questions on Metals and Non-Metals

EASY

10th Manipur Board

IMPORTANT

Science for Class 10>Chapter 5 - Metals and Non-Metals>Let us answer these>Q 2

Define the gangue.

MEDIUM

10th Manipur Board

IMPORTANT

Science for Class 10>Chapter 5 - Metals and Non-Metals>Let us answer these>Q 3

Differentiate between roasting and calcination used in metallurgy.

MEDIUM

10th Manipur Board

IMPORTANT

Science for Class 10>Chapter 5 - Metals and Non-Metals>Let us answer these>Q 4

Name two sulphide and two oxide ores.

MEDIUM

10th Manipur Board

IMPORTANT

Science for Class 10>Chapter 5 - Metals and Non-Metals>Let us answer these>Q 5

Name the systematic steps involved in metallurgy.

MEDIUM

10th Manipur Board

IMPORTANT

Science for Class 10>Chapter 5 - Metals and Non-Metals>Let us answer these>Q 6

Write the chemical process used for obtaining a metal from its oxide.

MEDIUM

10th Manipur Board

IMPORTANT

Science for Class 10>Chapter 5 - Metals and Non-Metals>Let us answer these>Q 7

Give an example of a sulphide ore that is reduced to metal by heating alone. Give the relevant equations involved.

MEDIUM

10th Manipur Board

IMPORTANT

Science for Class 10>Chapter 5 - Metals and Non-Metals>Let us answer these>Q 8

Why aluminium cannot be obtained by reduction of its oxide with coke?

MEDIUM

10th Manipur Board

IMPORTANT

Science for Class 10>Chapter 5 - Metals and Non-Metals>Let us answer these>Q 9

Explain how metal $\mathrm{X}$ which is low in reactivity series can be obtained from its compound by reduction process. Give one example.