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Most basic oxide out of following
(a)
(b)
(c)
(d)

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Important Questions on Classification of Elements and Periodicity in Properties
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Neutral oxide out of following is

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Which of the following oxides is amphoteric?

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The valence shell electronic configuration of transition elements is

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Which is mismatched regarding the position of the element as given below?

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Modern periodic law is

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Which of the following statements related to the modern periodic table is incorrect?

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Elements which generally exhibit multiple oxidation states and whose ions are usually coloured are

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IUPAC name of element having atomic number is
