MEDIUM
8th CBSE
IMPORTANT
Earn 100

Describe an activity to show that the ‘lead’ of a pencil conducts electricity but a piece of sulphur does not.

Important Questions on Metals and Non-metals

EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 6 - Metals and Non-metals>Exercises>Q D
Graphite and _____ are lustrous non-metals. (chlorine/ bromine/ iodine)
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 6 - Metals and Non-metals>Exercises>Q D
All _____ are good conductors of heat and electricity. (Metals/ Non-metals)
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 6 - Metals and Non-metals>Exercises>Q D
Though a metal, mercury is a _____ metal at ordinary temperatures.
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 6 - Metals and Non-metals>Exercises>Q D
_____ is used for filling an electrical bulb. (Oxygen/ Nitrogen)
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 6 - Metals and Non-metals>Exercises>Q D
Liquid _____ is used to preserve donated organs. (hydrogen/ nitrogen)
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 6 - Metals and Non-metals>Exercises>Q E
Which of the following is a liquid at ordinary temperatures?
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 6 - Metals and Non-metals>Exercises>Q E
Which of the following is/are solid non-metals?
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 6 - Metals and Non-metals>Exercises>Q E
Which of the following is the best conductor of electricity?