EASY
10th CBSE
IMPORTANT
Earn 100

What are alloys?

Important Questions on Metals and Non-Metals

MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 3 - Metals and Non-Metals>MOCK TEST>Q 20
Name the alloy with one of their constituent as:
Aluminium used in aircrafts.
EASY
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 3 - Metals and Non-Metals>MOCK TEST>Q 20
Name the alloy with one of their constituent as:
Lead used in joining metals for electrical works.
EASY
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 3 - Metals and Non-Metals>MOCK TEST>Q 20

Name the alloy with one of their constituent as:

Copper used for household utensils.

MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 3 - Metals and Non-Metals>MOCK TEST>Q 20
What is 'activity series of metals'? Arrange the metals Zn, Mg, Al, Cu and Fe in a decreasing order of reactivity.
MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 3 - Metals and Non-Metals>MOCK TEST>Q 21
Distinguish between 'roasting' and 'calcination'. Which of these two is used for sulphide ores and why?
MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 3 - Metals and Non-Metals>MOCK TEST>Q 21
Write a chemical equation to illustrate the use of aluminium for joining cracked railway lines.
MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 3 - Metals and Non-Metals>MOCK TEST>Q 22
What is observed when some zinc granules are added to a solution of copper sulphate.
EASY
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 3 - Metals and Non-Metals>MOCK TEST>Q 23
Can we store zinc sulphate in a copper vessel? Explain.