MEDIUM
10th Manipur Board
IMPORTANT
Earn 100

Differentiate between roasting and calcination used in metallurgy.

Important Questions on Metals and Non-Metals

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 X which is low in reactivity series can be obtained from its compound by reduction process. Give one example.
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 5 - Metals and Non-Metals>Let us answer these>Q 9
Explain how metal Y which is moderately reactive can be obtained from its compound by reduction process. Give one example.
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 5 - Metals and Non-Metals>Let us answer these>Q 9
Explain how metal Z which is high up in the reactivity series can be obtained from its compound by reduction process. Give one example.