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Class XI Chemistry Classification of Elements and Periodicity in Properties Quiz 3

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Question 1

Which of the following oxides is amphoteric in character?

Question 2

Which of the following elements have same number of electrons in 3d subshell?

Question 3

What is the correct order of increasing enthalpy of vaporization?

Question 4

Similarity in chemical properties of the atoms of elements in a group of the Periodic table is most closely related to:

Question 5

Platinum, palladium and iridium are called noble metals because

Question 6

The first ionization energy of Al is smaller than that of Mg because -

Question 7

What will be the distance between H and Cl atom in HCl? If radius of hydrogen is 0.37 Å and the radius of chlorine is 1.67 Å - (According to the concept of co-valent radius)

Question 8

Which of the alkali metals is the smallest in size?
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