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Chemistry Class 12 Chapter 4Group 5a and 6a ElementsTest 6

Chemistry Class 12 Chapter 4
Group 5a and 6a Elements
Test 6

Chemistry Class 12
1.    Which is the stable form of phosphorus?




Chemistry Class 12
2.    Covalency of 3 and 5 is shown by?




Chemistry Class 12
3.    Which substance acts as both oxidizing and reducing agent?




Chemistry Class 12
4.    Phosphorus can for phosphorus penta chlorine but nitrogen cant do this because?




Chemistry Class 12
5.    Which statement is incorrect?




Chemistry Class 12
6.    Which one is most reactive form of phosphorus?




Chemistry Class 12
7.    N,P,As,Sb and Bi belong to the group?




Chemistry Class 12
8.    Which is a reducing agent?




Chemistry Class 12
9.    Which element does not show allotropy form?




Chemistry Class 12
10.    Which is incorrect about phosphorus?
Chemistry Class 12


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