Which of the following is not a metal?

Important Questions on Materials: Metals and Non-metals

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 4 - Materials: Metals and Non-metals>Chapter Practice>Q 2

The substance that will be flattened on beating with a hammer is

EASY

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 4 - Materials: Metals and Non-metals>Chapter Practice>Q 3

Boojho has learnt that non-metals on beating with a hammer are generally broken into pieces. Which of the following is non-metal?

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 4 - Materials: Metals and Non-metals>Chapter Practice>Q 4

Materials which can be drawn into wires are called ductile. Which of the following is not a ductile material?

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 4 - Materials: Metals and Non-metals>Chapter Practice>Q 5

Metals are generally hard. Which of the following metals is an exception and can be cut with a knife?

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 4 - Materials: Metals and Non-metals>Chapter Practice>Q 6

Metals are generally solid. Which of the following metals is in the liquid state at room temperature?

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 4 - Materials: Metals and Non-metals>Chapter Practice>Q 7

Metals generally react with dilute acids to produce hydrogen gas. Which one of the following metals does not react with dilute hydrochloric acid?

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 4 - Materials: Metals and Non-metals>Chapter Practice>Q 8

Which of the following reacts with cold water vigorously?

HARD

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 4 - Materials: Metals and Non-metals>Chapter Practice>Q 9

The metal which produces hydrogen gas on reaction with dilute hydrochloric acid as well as sodium hydroxide solution is