Fullfill Your Study Abroad Dream with EduQuest Mock Test Prep

(Ace Your Exams with Expertly Curated Mock Tests)

Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors

7 Sci – The World of Metals and Non Metals – Test 1 (FREE MCQ Test)

0%

Report a question

You cannot submit an empty report. Please add some details.

7 Sci – The World of Metals and Non Metals – Test 1 (FREE MCQ Test)

1 / 25

Which property allows materials like copper, aluminum, and iron to be beaten into thin sheets?

2 / 25

Which highly reactive metal is stored in kerosene because it reacts vigorously with oxygen and water, generating a lot of heat?

3 / 25

Which of the following methods is used to prevent the rusting of iron?

4 / 25

Which of the following materials is typically non-lustrous and not as hard as metals?

5 / 25

What material is so ductile that one gram of it can be drawn into a 2 kilometre-long wire?

6 / 25

When magnesium ribbon burns with a dazzling white flame, it reacts with oxygen in the air to form what white powder?

7 / 25

In the context of heat transfer, what term describes the movement of heat from one point to another within a material?

8 / 25

What is the name of the brown deposit that forms on objects made of iron?

9 / 25

What combination of substances is essential for the brown deposits (rust) to develop on objects made of iron?

10 / 25

Materials that allow electricity to flow through them easily, such as aluminum, iron, and copper, are called:

11 / 25

Which ancient Indian structure, dating back over 1600 years, is famous for its remarkable resistance to rusting despite being made of iron?

12 / 25

Which metal, despite being generally hard and solid, is found in a liquid state at room temperature?

13 / 25

The property of materials by which they can be drawn into thin wires is called:

14 / 25

When sulfur burns in air (oxygen) and the resulting gas (sulfur dioxide) is dissolved in water, what acid is formed?

15 / 25

What is the term for the gradual deterioration of metal surfaces caused by air, water, or other substances in the atmosphere?

16 / 25

What type of material is used to make the handles of cooking vessels to prevent heat transfer to the user?

17 / 25

Generally, the oxides formed when non-metals react with oxygen are what in nature?

18 / 25

Why does an electrician often wear rubber gloves and use screwdrivers with plastic coverings?

19 / 25

What is the process of applying a protective layer of zinc metal on iron to prevent rusting called?

20 / 25

What characteristic sound is produced when a metal object, like a spoon or coin, is dropped on the floor?

21 / 25

The property of metals that enables them to produce a ringing sound is called:

22 / 25

Generally, the oxides formed when metals react with oxygen are what in nature?

23 / 25

What is the collective term for the lustrous appearance shown by metals?

24 / 25

Which non-metal is stored in water because it reacts vigorously and catches fire when exposed to atmospheric air?

25 / 25

Why are metal vessels generally preferred for cooking food?

Your score is

The average score is 63%

0%

Book A FREE Consultation with Our

Test Prep Experts