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P-Block Elements Boron & Carbon Family Test Online MCQs

Test Name P-Block Elements Boron & Carbon Family Test
Subject Chemistry
Test Type MCQs
Total Question 15
Total Marks 30
Total Time 15 Mints
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P-Block Elements Boron & Carbon Family Test Online MCQs

Chemistry

1. On dissolving moderate amount of sodium metal in liquid NH₃ at low temperature, which one of the following does not occur?

 

Question 1 of 15

2. Nitrolium is:

 

Question 2 of 15

3. Sodium carbonate is soluble in water because of

 

Question 3 of 15

4. The pair whose both species are used in ant-acid medicinal preparations is:

 

Question 4 of 15

5. Among the following components of cement which is present in highest amount?

 

Question 5 of 15

6. A metal salt solution forms a yellow precipitate with potassium chromate in acetic acid, a white precipitate with dil H₂SO₄, but gives no precipitate with NaCl. The metal salt solution will consist of:

 

Question 6 of 15

7. The commercial salt is purified by passing

 

Question 7 of 15

8. One g equimolecular mixture of Na₂CO₃ and NaHCO₃ is reacted with 0.1 N HCl. The mL of 0.1 N HCl required to react completely with the above mixture is:

 

Question 8 of 15

9. Which one of the following hydroxide is insoluble in water?

 

Question 9 of 15

10. Sodium on heating with moist air produces

 

Question 10 of 15

11. Which property of sodium is being used in street lights?

 

Question 11 of 15

12. Chemical A is used for softening of water to remove temporary hardness. A reacts with sodium carbonate to produce caustic soda.
When CO₂ is bubbled through ‘A’, it turns cloudy, Chemically ‘A’, is:

 

Question 12 of 15

13. The first ionization potential is maximum for:

 

Question 13 of 15

14. Na₂CO₃ reacts with SO₂ in alkaline medium to form:

 

Question 14 of 15

15. Which one of the following alkaline earth metals shows some anomalous behavior and has same electro negativity as aluminium?

 

Question 15 of 15


 

 

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