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Total number of questions- 10 || General Chemistry Test-3
1.The maximum covalency of Al is??
1
3
6
8
2.Which of the following is amphoteric oxide??
Al₂O₃
N₂O
Na₂O
CO₂
3.N³⁻ and Na⁺ ions have same ?
Atomic number
Mass number
Number of element
Same number of neutrons
4.Which of the following metals is a typical d-block element?
Zn
Cr
Cd
Hg
5.Which of the following properly generally increases down the group??
Atomic radius
Ionization enthalpy
Electronegativity
Electron gain enthalpy
6.Which of the following is not a characteristic of d-block element??
Metallic nature
Coloured ions
Radioactive nature
Paramagnetic nature
7.Element with the highest I.E. in the periodic table is??
He
F
N
O
8.Find out the correct order of size??
Na+ > Mg²⁺ > Al³⁺
F⁻ > O²⁻ > N³⁻
F > F⁻ > O²⁻
I⁺ > I > I⁻
9.Which of the following is an amphoteric oxide??
NO
As₂O₃
Cl₂O₇
Na₂O
10.The First member of a group of elements in the s-block and p-block shows anomalous behaviour due to its??
Smll size
Large ratio (charge/ radius)
High electronegativity
All of these