EASY
7th ICSE
IMPORTANT
Earn 100

Why are germanium and silicon referred to as semiconductors?

Important Questions on Metals and Non-metals

EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 6 - Metals and Non-metals>Stop and Check>Q 3
Gold is used to make firecrackers.
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 6 - Metals and Non-metals>CHECKPOINT>Q 6
Why are inert gases called so?
HARD
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 6 - Metals and Non-metals>CHECKPOINT>Q 2
What is corrosion? Why should to be prevented?
HARD
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 6 - Metals and Non-metals>CHECKPOINT>Q 3
Describe an experiment to show the conditions necessary for rusting of iron.
MEDIUM
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 6 - Metals and Non-metals>CHECKPOINT>Q 5
What are metalloids? How do their properties justify their name?
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 6 - Metals and Non-metals>Think and Answer>Q 1
The physical state of an element is solid. What type of element is it?
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 6 - Metals and Non-metals>Think and Answer>Q 1
The lustre property of an element is dull. What type of element is it?
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 6 - Metals and Non-metals>Think and Answer>Q 1
The conducting property of an element is very low. What type of element is it?