Chemistry Class 12 Chapter 4
Group 5a and 6a Elements
Test 9

Chemistry Class 12
1.    Conc. nitric acid show passivity with the element?




Chemistry Class 12
2.    Gas which can not be dried by sulphuric acid?




Chemistry Class 12
3.    Phosphorus pentaoxide sublimes at?




Chemistry Class 12
4.    Garlic smell is produced by?




Chemistry Class 12
5.    The basicity of phosphoric acid is?




Chemistry Class 12
6.    Non-metal in group VIA is?




Chemistry Class 12
7.    Extended octet rule can be followed by?




Chemistry Class 12
8.    All the elements in VIA are?




Chemistry Class 12
9.    Phosphorus when thermally decomposed produces phosphoric acid and?




Chemistry Class 12
10.    The chemical composition of cinnabar is?
Chemistry Class 12


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