CBSE Class X – Science Chemistry Exam (Full Syllabus)

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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

What type of reaction is represented by: A + BC → AC + B ?

2 / 25

Identify the reducing agent in the following reactions: 2H2O + 2F2 → 4HF + O2

3 / 25

Mention whether it is physical or chemical changes:- Burning of Liquefied Petroleum Gas (LPG)

4 / 25

Mention whether it is physical or chemical changes :Curdling of milk

5 / 25

Calcium oxide reacts vigorously with water to produce slaked lime. CaO(s) + H2O(l) → Ca(OH)2(aq) This reaction can be classified as:

  1. Combination reaction

  2. Exothermic reaction

  3. Endothermic reaction

  4. Oxidation reaction

6 / 25

Baking soda is a blend of:

7 / 25

The chemical formula for plaster of Paris is :

8 / 25

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

9 / 25

The chemical formula for methonic acid

10 / 25

The source of lactic acid is

11 / 25

Which of the specified elements A, B, C, D and E with atomic number 2, 3, 7, 10 and 30 respectively affiliated to the same period?

12 / 25

Which among the following elements has the largest atomic radii?

13 / 25

Which of the following elements does not lose an electron with ease?

14 / 25

The metallic character vary across the period

15 / 25

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

16 / 25

Cation is formed when:

17 / 25

The ability of an atom to form bonds with other atoms of the same element.

18 / 25

Molecular formula of Methane

19 / 25

The name of the fourth member of alkane series.

20 / 25

The next homologue of C2H4

21 / 25

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

What occurs when calcium is treated with water?

  1. It does not react with water.

  2. It reacts violently with water. I

  3. t reacts less violently with water.

  4. Bubbles of hydrogen gas formed stick to the surface of calcium.

24 / 25

Metal that can be cut by knife

25 / 25

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

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