CBSE Class X – Science Chemistry Exam (Full Syllabus)

0
0

CBSE Class X – Science Chemistry Exam (Full Syllabus)

This test is designed based on NCERT Syllabus for Class 10 Topics of Science – Chemistry

  • Each time random 25 questions will be displaced from the question bank of 500 + Questions
  • So we recommend you to retake the quiz till you have mastered all the questions

1 / 25

State the reactions are exothermic or endothermic in nature: Decomposition of ferrous sulphate

2 / 25

Sate the reactions exothermic or endothermic in nature: Dissolution of sodium hydroxide in water

3 / 25

State the reactions are exothermic or endothermic in nature: Dissolution of ammonium chloride in water

4 / 25

In the electrolysis of water, name the gases liberated at anode

5 / 25

Solid calcium oxide reacts vigorously with water to form calcium hydroxide, accompanied by liberation of heat. This process is called slaking of lime. Calcium hydroxide dissolves in water to form a solution called lime water. Which among the following is (are) true about slaking of lime and the solution formed?

  1. It is an endothermic reaction

  2. It is an exothermic reaction.

  3. The pH of the resulting solution will be more than seven.

  4. The pH of the resulting solution will be less than seven

6 / 25

Which of the following solutions in water does not conduct electricity?

7 / 25

To preserve tooth decay we are advised to brush our teeth regularly. The nature of the toothpaste commonly used is:

8 / 25

Which of the following substances will not give carbon dioxide on treatment with dilute acid?

9 / 25

Common salt other than being used in kitchen can also be used as the raw material for  making:

  1. Washing soda

  2. Bleaching powder

  3. Baking soda

  4. Slaked lime

10 / 25

Name the acid along present in ant sting

11 / 25

Arrange the following elements in sequence of their increasing non-metallic character Li, O, C, Be and F.

12 / 25

Three elements B, Si and Ge are:

13 / 25

Arrange these elements in decreasing order of their atomic radii

14 / 25

The number of groups in the Modern Periodic Table

15 / 25

Arrange the following elements in increasing order of their atomic radii:

16 / 25

The property of self-linkage among identical atoms to form long chain compounds is known as:

17 / 25

The I.U.P.A.C name of CH3CH2CH=CH2 is?

18 / 25

Rich conductors of electricity.

19 / 25

UnSaturated hydrocarbons contains

20 / 25

Molecular formula of Methane

21 / 25

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

22 / 25

Shwetha took three beakers A, B and C containing zinc sulphate, silver sulphate and iron (II) sulphate solutions respectively. Copper pieces were added to each beaker. The solution will Become visible blue in the case of:

23 / 25

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

24 / 25

Which of the consecutive are not ionic compounds?

  • KCl

  • HCl

  • CCl4

  • NaCl

25 / 25

Name a metal which is highly malleable

Your score is

0%

Leave a Reply 0

Your email address will not be published. Required fields are marked *