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

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

2 / 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:

3 / 15

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

4 / 15

The poorest conductor of heat among metals is

5 / 15

Which of the consecutive are not ionic compounds?

  • KCl

  • HCl

  • CCl4

  • NaCl

6 / 15

Name a metal that have very low melting points.

7 / 15

Why do ionic compounds conduct electricity in molten state? Because

8 / 15

Metal that is best conductor of electricity

9 / 15

Non-metal that can exist in diferent forms

10 / 15

Give the formula of the stable binary compound that would be formed by the combination of following pair of elements: Mg and N2

11 / 15

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

12 / 15

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

13 / 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.

14 / 15

which metal is more reactive?

15 / 15

Which metal is less reactive?

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