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

The solution of one of the following compounds will not conduct electricity. This compounds is:

2 / 15

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

3 / 15

An aluminium strip is retained immersed in freshly prepared ferrous sulphate solution taken in a test tube, the change state is that:

4 / 15

Generally, metals react with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?

5 / 15

The composition of aqua-regia is:

6 / 15

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

7 / 15

The electronic configurations of three elements X, Y and Z are X — 2, 8; Y — 2, 8, 7 and Z — 2, 8, 2. Which of the following is correct?

8 / 15

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

9 / 15

The poorest conductor of heat among metals is

10 / 15

Hydrogen gas is not evolved when a metal reacts with nitric acid because

11 / 15

When calcium metal is added to water, the gas evolved does not catch fire but the same gas evolved on adding potassium metal to water catches fire.

12 / 15

The Most malleable and ductile metal

13 / 15

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

14 / 15

Name a metal which is highly malleable

15 / 15

Which metal is less reactive?

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