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JEE 2020 Chemistry : D & F Block Elements -02(02.08.2019)

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Question 1

Thallium shows different oxidation states because:

Question 2

which of the following metals are obtained from Van Erkel method ?

Question 3

On Ellingham diagrams if two graphs intersect each other, what does the point of intersection indicate?

Question 4

The correct equation for Gibbs energy is?

Question 5

At equilibrium, the value of Gibbs free energy is

Question 6

For a reaction to occur spontaneously

Question 7

In the metallurgy of iron, the slag is-

Question 8

Pig iron contains-

Question 9

The lowest percentage of carbon is present in

Question 10

Decreasing order of carbon content in the different forms of iron?

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Aug 2JEE & BITSAT