sNCERT Class VIII Science Solutions: Chapter 4-Materials: Metals and Non-Metals Part 1

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MULTIPLE CHOICE QUESTIONS

Question 1:

Which of the following is not a metal?

  1. Copper

  2. Sulphur

  3. Aluminium

  4. Iron

Answer: B

Image of what is metal

What is Metal

Image of what is metal

Question 2:

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

  1. Crystal of iodine

  2. Lump of sulphur

  3. Piece of coal

  4. Zinc granule

Answer: D

Question 3:

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

  1. Iron nail

  2. Aluminium wire

  3. Copper plate

  4. Piece of coal

Answer: D

Question 4:

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

  1. Silver

  2. Copper

  3. Sulphur

  4. Aluminium

Answer: C

Image of Ductile Materials

Ductile Materials

Image of Ductile Materials

Question 5:

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

  1. Iron

  2. Sodium

  3. Gold

  4. Magnesium

Answer: B

Question 6:

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

  1. Mercury

  2. Silver

  3. Aluminium

  4. Sodium

Answer: A