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Choose the correct statement:
(a)Diamond is covalent and graphite is ionic.
(b)Diamond is hybridised and graphite is hybridized.
(c)Both diamond and graphite are used as dry lubricants.
(d)Diamond and graphite have two dimensional network.

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Important Questions on The p-Block Elements
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Noble gases are named because of their inertness towards reactivity. Identify an incorrect statement about them.

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Statement I: Acid strength increases in the order given as
Statement II:
As the size of the elements increases down the group, the bond strength of and HI decreases and so the acid strength increases.
In the light of the above statements, choose the correct answer from the options given below.

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In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it?

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Which of the following oxide is amphoteric in nature?

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Which one of the following reactions does not come under hydrolysis type reaction?

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Which is the correct thermal stability order for

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Which one of the following elements is unable to form ion?

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Which of the following statements is not true for halogens?
