Q.

Statement I : Mixed oxides of Lanthanoids used as catalysts in petroleum cracking

Statement II : Some oxides are used as phosphors in T.V. screen & fluorescing surfaces

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a

Both statements are wrong

b

Statement I is true Statement II is false

c

Statement I is false Statement II is true

d

Both statement are correct

answer is D.

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Detailed Solution

Mixed oxides of lanthanoides used as catalysts in petroleum cracking

Some oxides are used as phosphors in T.V. screen & flourescing surfaces

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