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UPSC Recruitment Paper 2018 : Lecturer (Chemical Engineering) in Daman and Diu
UPSC Recruitment Paper 2018 : Lecturer (Chemical Engineering) in Daman and Diu
1. In which one of the following reactions, the rate is independent of the concentration of the reactants?
(a) Zero-Order Reaction
(b) Fractional-order Reaction
(c) First-Order Reaction
(d) Second-Order Reaction
2. When a metal is dipped into a solution containing its own ions:
(a) Reversible electrode is formed
(b) Irreversible cell is formed
(c) A half cell is formed
(d) pH Electrode is formed
3. When 1 g mol of C7H16 are mixed with 12 g mol of O2, to produce CO2 and H2O. The limiting reactant will be:
(a) C7H16
(b) O2
(c) CO2
(d) H2O
4. A property whose value is not an additive and does not vary with the quantity of material in the subsystem is called:
(a) Intensive property
(b) Extensive property
(c) Chemical property
(d) Physical property
5. The number of moles of K2CO3 for 117 kg of K will be:
(a) 4.5 g
(b) 3.5 g
(c) 2.5 g
(d) 1.5 g
6. Na2O content of lye containing 73 % of caustic soda will be nearly:
(a) 47.8 %
(b) 56.6 %
(c) 65.4 %
(d) 74.2 %
7. The weight of lime prepared by heating 95% pure limestone of 200 Kg will be:
(a) 102.8 g
(b) 104.6 g
(c) 106.4 g
(d) 108.2 g
8. The weight of 6.022 × 1023 molecules of CaCO3 will be:
(a) 75 g
(b) 100 g
(c) 125 g
(d) 150 g
9. One litre of milk weighs 1.035 kg. The butter fat content is 4 % by volume and has a density of 875 k/m3. The density of the fat-free ‘skimmed’ milk will be: (1 m3 = 103 litres)
(a) 1042 k/m3
(b) 1124 k/m3
(c) 1242 k/m3
(d) 1424 k/m3
10. Consider the following equilibrium equation: N2O4(g) ⇌ 2NO2(g) The density of an equilibrium mixture of N2O4 and NO2 at 1 atm and 348 K is 1.84 g/L. The value of Kc for equilibrium will be:
(a) 7
(b) 8
(c) 9
(d) 6
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