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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. 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 1 of 15

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

 

Question 2 of 15

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

 

Question 3 of 15

4. An inorganic compound which on heating first melt, then solidifies and liberates a gas, is

 

Question 4 of 15

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

 

Question 5 of 15

6. The commercial salt is purified by passing

 

Question 6 of 15

7. Largest difference in radii is found in case of the pair

 

Question 7 of 15

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

 

Question 8 of 15

9. Nitrolium is:

 

Question 9 of 15

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

 

Question 10 of 15

11. The first ionization potential is maximum for:

 

Question 11 of 15

12. 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 12 of 15

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

 

Question 13 of 15

14. The correct sequence of increasing melting points of BeCI₂, MgCI₂, CaCI₂, SrCI₂ and BaCI₂ is

 

Question 14 of 15

15. Sodium carbonate is soluble in water because of

 

Question 15 of 15


 

 

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