Class 12

p-Block Elements (Class 12) question bank (Chemistry)

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Q1.

Thallium shows different oxidation states because

(A)
It is a transition element
(B)
Of inert pair effect
(C)
Of its amphoteric character
(D)
Of its higher reactivity
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Q2.

The element which is essential in nitrogen fixation is

(A)
Zinc
(B)
Copper
(C)
Molybdenum
(D)
Boron
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