4.1 Metals and Nonmetals Worksheet Class 8

Dec 6, 2023 | 8th

Science

Metals and Nonmetals Worksheet

This is a ‘Metals and Nonmetals’ worksheet for the 8th std. This sample worksheet contains 17 multiple choice questions of different types – Remember (memory oriented), analogy, sequencing, video related, image based, blanks embedded in passage incorrect match, and table based.

8.04 Metals and Nonmetal

4. Metals and Non-metals

1 / 5

Category: Science easy

Gold : Jewellery :: Hydrogen : _______. (Analogy)

Building materials

Electrical wires

Welding torches

Thermal insulation

2 / 5

Category: Science easy

Select the INCORRECT match:

Mercury - High Melting Point

Iron - High Density

Aluminium - Lightweight

Gold - Metallic Lustre

3 / 5

Category: Science easy

The _____ reacts with oxygen to form _____ oxides, which are basic in nature. For example, when _____ reacts with oxygen, it forms MgO, a basic oxide that turns red litmus solution blue.

metal, metal, magnesium

non-metal, acidic, carbon

non-metal, metal, sulphur

metal, non-metal, zinc

4 / 5

Category: Science medium

Why is zinc used for galvanization, especially in coating iron? (Skill/Concept)

For improving electrical conductivity

To enhance magnetic properties

To prevent rusting by forming a protective layer

For aesthetic enhancement

5 / 5

Category: Science medium

How do metals and non-metals differ in terms of density?

I. Metals generally have high density, except for alkali metals.

II. All non-metals have high density.

III. Metals like gold and silver have low density.

IV. Non-metals usually have low density.

III and IV

I and III

I and IV

II and IV

Your score is

The average score is 48%