P-Block Elements Boron & Carbon Family Test Online MCQs
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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. mark reviewThe correct sequence of increasing melting points of BeCI₂, MgCI₂, CaCI₂, SrCI₂ and BaCI₂ is

 

Question 1 of 15

2. mark reviewOne 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 2 of 15

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

 

Question 3 of 15

4. mark reviewWhich one of the following hydroxide is insoluble in water?

 

Question 4 of 15

5. mark reviewWhich property of sodium is being used in street lights?

 

Question 5 of 15

6. mark reviewChemical 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 6 of 15

7. mark reviewLargest difference in radii is found in case of the pair

 

Question 7 of 15

8. mark reviewNa₂CO₃ reacts with SO₂ in alkaline medium to form:

 

Question 8 of 15

9. mark reviewAmong the following components of cement which is present in highest amount?

 

Question 9 of 15

10. mark reviewNitrolium is:

 

Question 10 of 15

11. mark reviewThe molecular formula of Plaster of paris is:

 

Question 11 of 15

12. mark reviewA 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 12 of 15

13. mark reviewThe commercial salt is purified by passing

 

Question 13 of 15

14. mark reviewSodium on heating with moist air produces

 

Question 14 of 15

15. mark reviewAn inorganic compound which on heating first melt, then solidifies and liberates a gas, is

 

Question 15 of 15


 

 

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