MEDIUM
10th CBSE
IMPORTANT
Earn 100

Mention the composition and uses of the solder alloy.

 

Important Questions on Metals and Non-metals

MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 3>Q 22
Define corrosion and rusting of iron. How can corrosion be prevented?
HARD
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 3>Q 23
What is the significance of alloying in the prevention of corrosion? Mention the composition and uses of important alloys of iron and copper.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 7>Q 1
All minerals are ores but all ores are not mineral.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 7>Q 2
Magnetite is Fe3O4.
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 7>Q 3
Sulphide ores are usually dressed by froth floatation process.
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 7>Q 4
Corrosion is an electrochemical phenomenon.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 7>Q 5
All alloys are homogeneous.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 7>Q 6
Bronze contains Cu and Sn.