Chemical Engineering - Stoichiometry

46. 

1 kgf/cm2 is not equal to

A. 1 torr
B. 1 bar
C. 10000 mm wc
D. 100 KPa = 100 000 N/m2

Answer: Option A

Explanation:

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47. 

Pick out the wrong statement.

A. Heat capacity of a diatomic gas is higher than that of a monoatomic gas.
B. Equal volumes of Argon and Krypton contain equal number of atoms.
C. Total number of molecules contained in 22.4 litres of hydrogen at NTP is 6.023 x 1023.
D. The binary mixture of a particular com-positidn in both vapor and liquid state is known as an azeotropic mixture

Answer: Option B

Explanation:

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48. 

On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes

A. 1
B. 8
C. 4
D. 2

Answer: Option C

Explanation:

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49. 

The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies

A. XM < 0.5
B. XM = 0.5
C. 0.5 < XM < 0.64
D. XM ≥ 0.64

Answer: Option D

Explanation:

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