Solapur University M.Sc Nano Technology (Semester-I) Paper on Fundamentals of Nanotechnology in Chemistry March 2019
| Sr. No. | Question |
| 1 | Atom is held together by strong force of __________present between electrons and nuclei
(a) attraction (b) repulsion (c) energy (d) heat |
| 2 | Metals and non-metals combine to give electronic configuration of ______
(a) alkalis (b) noble gases (c) metalloids (d) acids |
| 3 | Noble gases which exist as isolated atoms are _____
(a) Neon (b) Argon (c) Both (a) & (b) (d) Oxygen |
| 4 | ________is NOT an energy level
(a) K (b) S (c) L (d) M |
| 5 | Atomic radius of elements _________from top to bottom in periodic table
(a) Increases (b) Decreases (c) Remains constant (d) Does not
|
| 6 | Element with zero oxidation state is ________
(a) Na (b) Cl (c) H (d) K |
| 7 | Elements which exist in lithosphere are generally
(a) Metals (b) Non-metals (c) Metalloids (d) Minerals |
| 8 | Bond energy refers to _________
(a) Energy required to make a mole of a compound (b) Energy required to break a mole of a compound (c) Energy required to carry over the reaction (d) The energy required to carry out sublimation |
| 9 | Metal reacting readily with cold water is ________
(a) Au (b) Ag (c) Na (d) Mg |
| 10 | Charge on any ion depends upon gain or loss of _____
(a) Electron (b) Protons (c) Neutrons (d) Positrons |
| 11 | Orbitals having same energy are called as ________
(a) Hybrid orbitals (b) Valence orbitals (c) Degenerate orbitals (d) D-orbitals |
| 12 | Inert gases have maximum ionization energy value due to _______
(a) Complete valence shell (b) Inertness (c) Nobleness (d) Difficulty in removing electron |
| 13 | When single atom provides both electrons which are needed for formation of bond, the process lead to formation of _________
(a) Ionic bond (b) Covalent bond (c) Co-ordinate bond (d) Dative bond |
| 14 | Pairs of outer shell electrons not used in bonding are called as ____
(a) Valence electrons (b) Loner electrons (c) Electrovalent electrons (d) Lone pairs |
| Published on 22nd Sept 2021 | |
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