Science : Ch 03 – Metals and Non-metals

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Science : Ch 03 – Metals and Non-metals

This test is designed based on NCERT Syllabus for Class 10 Topics : Metals and Non-metals

  • Each time random 15 questions will be displaced
  • So retake the quiz till you have mastered all the questions

1 / 15

Which one of the following metals does not respond with cold as well as hot water?

2 / 15

Which of the subsequent oxide(s) of iron would be obtained on prolonged reaction of iron with steam?

3 / 15

Non-metals are not lustrous. Which of the following non-metals is lustrous?

4 / 15

Which among the following Declaration is incorrect for magnesium metal?

5 / 15

An element A is mushy and can be cut with a knife. This is very reactive to air and cannot be kept in open air. It reacts vigorously with water. Identify the element from the following:

6 / 15

Electrical wires have a coating of an insulating material. The material, overall adopted is:

7 / 15

In the given reaction, Al2O3 + NaOH → …X… + H2O. What is element X?

8 / 15

Which of the following Metal have very low melting points?

9 / 15

Name a metal that have very low melting points.

10 / 15

Why do ionic compounds conduct electricity in molten state? Because

11 / 15

The Lustrous non-metal

12 / 15

Give the formula of the stable binary compounds that would be formed by the combination of following pair of elements: K and O2

13 / 15

Name one metal that exist in liquid state at room temperature.

14 / 15

When a metal X is treated with cold water, it gives a basic salt Y with molecular formula XOH (molecular mass = 40) and liberates a gas Z which easily catches fre. Identify X, Y and Z.

15 / 15

Which metal is less reactive?

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