Oxide of magnesium is acidic in nature.

Important Questions on Materials: Metals and Non-Metals

EASY

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 4 - Materials: Metals and Non-Metals>NUT Cracker>Q III

Phosphorous is a non reactive non-metal.

EASY

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 4 - Materials: Metals and Non-Metals>NUT Cracker>Q III

Sulphur is sonorous.

MEDIUM

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 4 - Materials: Metals and Non-Metals>NUT Cracker>Q III

Copper does not corrode.

EASY

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 4 - Materials: Metals and Non-Metals>NUT Cracker>Q III

Mercury is widely used in thermometers.

HARD

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 4 - Materials: Metals and Non-Metals>NUT Cracker>Q III

Out of $22$ non-metals, $12$ non-metals are gases.

MEDIUM

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 4 - Materials: Metals and Non-Metals>NUT Cracker>Q III

In the reactivity series, the most reactive metal is placed at the bottom.

EASY

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 4 - Materials: Metals and Non-Metals>NUT Cracker>Q III

Magnesium reacts slowly with cold water.

MEDIUM

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 4 - Materials: Metals and Non-Metals>NUT Cracker>Q IV

Which one of the following will break down into a powdery mass on tapping with hammer?