Solapur-University-M.Sc. – Environmental Science (Semester-I)-2019-On Environmental Chemistry
| Sr.No | Questions with multiple options |
| 1. | Volatile oxidation corrosion product of a metal is,
(a) Fe2O3 (b) MoO3 (c) Fe3O4 (d) FeO |
| 2. | Standard electrode potential of Zn2+/Zn is, ______
(a) – 0.76 V (b) + 0.76 V (c) – 2.76 V (d) + 2.76 V |
| 3. | Which of the following contains more molecules?
(a) 1 g CO2 (b) 1 g N2 (c) 1 g H2 (d) 1 g CH4 |
| 4. | Which pair of species have same percentage of carbon?
(a) CH3COOH and C6H12O6 (b) CH3COOH and C2H5OH (c) HCOOCH3 and C12H22O11 (d) C6H1206 and C12H22O11 |
| 5. | Molar mass is a _____ quantity.
(a) Vector (b) Imaginary (c) Unitless (d) Useless |
| 6. | What mass of CaO will be obtained by heating 3 mole of CaCO3 [Atomic mass of Ca = 40]?
(a) 150 g (b) 168 g (c) 16.8 g (d) 15 g |
| 7. | Volume of O2 required to produce 44 g of CO2 by combustion of carbon is _____
(a) 2.24 L (b) 22400 mL (c) 22.4 mL (d) 224 mL |
| 8. | 3 g of H2 reacts with 29 g of O2 to yield water. Which is the limiting reactant?
(a) H2 (b) O2 (c) H2O (d) None of these |
| Data Collected By – K. Jeyanthi | |
| Published On – 6th Nov 2021 | |
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