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  • Chemistry Class 11

Chemistry Class 11 Question Answer & Video

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Classification of Elements & Periodicity Page 94 Q 3.33, Class 11 CBSE Chemistry

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1. There will be total 20 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

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1. Lithium shows diagonal relationship with which element?

Question 1 of 20

2. If X is a nonmetal, its oxide X2O3 is expected to be a/an ______ oxide.

Question 2 of 20

3. Consider the following reaction 2A + 3F2 → 2AF3.What is the formula for the reaction product if we substitute iodine for fluorine?

Question 3 of 20

4. The nature of bonds in the compounds of carbon is mostly:

Question 4 of 20

5. Which of these compounds is a basic oxide?

Question 5 of 20

6. Amongst the elements of group 17, fluorine is most reactive owing to it's:

Question 6 of 20

7. If x denoted the number of valence electrons of a representative element then its valence is equal to:

Question 7 of 20

8. How many valence electrons does a carbon atom have?

Question 8 of 20

9. Aluminium belongs to group 13 and sulphur belongs to group 16 of the periodic table. The compound formed by aluminum and sulphur is:

Question 9 of 20

10. Which pair of elements from different groups resembles each other the most in their chemical properties?

Question 10 of 20

11. Which element acts as strong reducing agent?

Question 11 of 20

12. Oxygen exhibits +2 oxidation state in the compound:

Question 12 of 20

13. On moving down a group the number of valence electrons:

Question 13 of 20

14. In Na2O oxidation state of oxygen is:

Question 14 of 20

15. Among the following oxides, neutral oxide is:

Question 15 of 20

16. Sodium forms which types of oxides?

Question 16 of 20

17. The element which shows only negative oxidation state/s among following elements is:

Question 17 of 20

18. The valence of sodium with atomic number 11 is:

Question 18 of 20

19. The maximum covalence of the first member of each group is:

Question 19 of 20

20. Group 2 elements are:

Question 20 of 20

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