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Chemistry 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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Chemistry S-Block Elements Test is containing so important information about the elements of s-block such as their properties, reactivity, chemical properties and their uses. Attempt online multiple choice questions to get knowledge about the S-Block Elements and check your chemistry subject preparation.

Chemistry S-Block Elements Test Online MCQs


1. The laughing gas is:


Question 1 of 15

2. The true statement for the acids of phosphorus. H₃PO₂, H₃PO₃, and H₃PO₄ is:


Question 2 of 15

3. S²⁻ and SO₃²⁻ can be distinguished by using


Question 3 of 15

4. Which gas cannot be collected over water?


Question 4 of 15

5. Nitrolium is:


Question 5 of 15

6. The statement true for N₃⁻ is:


Question 6 of 15

7. The incorrect statement among the following is:


Question 7 of 15

8. Which of the following oxides is most acidic?


Question 8 of 15

9. Which of the following compound is a tribasic acid?


Question 9 of 15

10. The element which is the most abundant in the earth crust is


Question 10 of 15

11. Arsenicals are mainly used for treatment of:


Question 11 of 15

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


Question 12 of 15

13. H₂S gas is not evolved when SO₃²⁻ ion reacts with following reagents.


Question 13 of 15

14. The mixture of concentrated HCI and HNO₃ made in 3 : 1 ratio contains:


Question 14 of 15

15. Choose the correct statement –


Question 15 of 15


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