S-Block Elements Test MCQs Online Questions Answers
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S-Block Elements Test Online MCQs

Test Name S-Block Elements Test
Subject Chemistry
Test Type MCQs
Total Question 15
Total Marks 30
Total Time 15 Mints
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S-Block Elements Test Online MCQs


1. mark reviewPerdisulphuric acid has the following bond


Question 1 of 15

2. mark reviewArsenicals are mainly used for treatment of:


Question 2 of 15

3. mark reviewSulphur reacts with chlorine in 1 : 2 ratio and forms X. Hydrolysis of X gives a sulphur compound Y. What is the structure and hybridisation of anion of Y?


Question 3 of 15

4. mark reviewThe laughing gas is:


Question 4 of 15

5. mark reviewH₂S gas is not evolved when SO₃²⁻ ion reacts with following reagents.


Question 5 of 15

6. mark reviewWhich of the following oxides is most acidic?


Question 6 of 15

7. mark reviewThe ONO angle is maximum in:


Question 7 of 15

8. mark reviewThe element which is the most abundant in the earth crust is


Question 8 of 15

9. mark reviewOzone in stratosphere is depleted by:


Question 9 of 15

10. mark reviewAn element (X) forms compounds of the formula XCI₃, X₂O₅ and Ca₃X₂, but does not form XCl₅. which of the following is the element


Question 10 of 15

11. mark reviewWhich one of the following is the correct decreasing order of boiling point?


Question 11 of 15

12. mark reviewS²⁻ and SO₃²⁻ can be distinguished by using


Question 12 of 15

13. mark reviewThe tribasic acid is:


Question 13 of 15

14. mark reviewIn the nitrogen family the H – M – H bond angle in the hydrides MH₃ gradually becomes closer to 90° on going from N to Sb. This shows that gradually –


Question 14 of 15

15. mark reviewWhich gas cannot be collected over water?


Question 15 of 15


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