Solapur University M.Sc Nano Technology (Semester-II) Paper on Carbon and Nanoforms of Carbon March 2019
| Sr. No. | Question |
| 1 | The fullerenes are also known as _____
(a) Cylindrical balls (b) Conical balls (c) Simple balls (d) Buckyballs |
| 2 | In MWCNT graphene sheets are separated by a distance of _______
(a) 3.5 A° (b) 5.5 A° (c) 6.2 A° (d) 8.4 A° |
| 3 | A layer of graphene sheet is rolled to form a cylindrical shape is called __________
(a) FWCNT (b) SWCNT (c) MWCNT (d) TWCNT |
| 4 | Both CNT and CNF appears almost the ___________under the SEM.
(a) Charged (b) Not same (c) Different (d) Same |
| 5 | The CNTs are made up of _____graphene sheet.
(a) Unbroken (b) Broken (c) Incomplete (d) None of these |
| 6 | When plant derived precursors are pyrolyzed at temperature _________in an inert atmosphere to form CNF’s
(a) 100°C (b) 200°C (c) 300°C (d) 800°C |
| 7 | In arc discharge method we are using ______electrodes.
(a) One (b) Two (c) Four (d) Six |
| 8 | In CVD deposition means transformation of vapor in to ________
(a) Solid (b) Liquid (c) Chemical (d) Jel |
| 9 | The biogenic methods lead to the synthesis of _________
(a) Microparticles (b) Bulk particles (c) Nanoparticles (d) Very bulk particles |
| 10 | Photocatalysis is the acceleration of a __________in the presence of a catalyst.
(a) Gas reaction (b) Physical reaction (c) Chemical reaction (d) Photo reaction |
| 11 | Water solubility is a measure of the amount of _______substance that can dissolve in water at a specific temperature.
(a) Gas (b) Solid (c) Physical (d) Chemical |
| 12 | A plasma is a ____ionized gas.
(a) Too-cold (b) Cold (c) Hot (d) Quit cold |
| 13 | Amorphous carbon is free, reactive carbon that does not have any ___________structure.
(a) Mechanical (b) Physical (c) Chemical (d) Crystalline |
| 14 | The preparation of solar cell in which activated carbon deposited on
(a) Nickel oxide (b) Iron oxide (c) Zic oxide (d) Indium Tin Oxide |
| Published on 26th Sept 2021 | |
Leave a Reply