MCQs on Chemical Engineering - 30

1. 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

Answer: (c)

2. 

Answer: (a)

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

Answer: (a)

5. The number of moles of K2CO3 for 117 Kg of K will be:
(a) 4.5 kmol
(b) 3.5 kmol
(c) 2.5 kmol
(d) 1.5 kmol

Answer: (d)

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 %

Answer: (b)

7. The weight of lime prepared by heating 95% pure limestone of 200 kg will be:
(a) 102.8 kg
(b) 104.6 kg
(c) 106.4 kg
(d) 108.2 kg

Answer: (c)

8. 
(a) 75 𝑔
(b) 100 𝑔
(c) 125 𝑔
(d) 150 𝑔

Answer: (b)

9. 

Answer: (a)

10. 
(a) 7
(b) 8
(c) 9
(d) 6

Answer: (c)
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