Basic
More acidic
Neutral
Of the same acidity
✅ The correct answer is option A.
Chemical Engineering MCQs
1 kg/cm² is equal to
760 torr
1KPa
10 metres of water column
1 metre of water column
✅ The correct answer is option C.
The latent heat of vaporisation
Decreases with increased temperature
Decreases as pressure increases
Becomes zero at the critical point
All of the above
✅ The correct answer is option D.
CaCO₃ contains __________ percent of Ca by weight.
40
48
96
12
✅ The correct answer is option A.
The hydroxyl ion (OH?) concentration in a solution having pH value 3 will be
Answer: Option A
null
null
null
✅ The correct answer is option A.
Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity? Vapour pressure of water at 20°C is 17.5 mm Hg.
80.38
80
79.62
78.51
✅ The correct answer is option C.
In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is
180
60.3
720
200
✅ The correct answer is option B.
An oxidation process is accompanied by decrease in the
Number of electrons
Oxidation number
Number of ions
All of the above
✅ The correct answer is option A.
In physical adsorption, as compared to chemisorption, the
Quantity adsorbed per unit mass is higher
Rate of adsorption is controlled by the resistance to surface reaction
Activation energy is very high
Heat of adsorption is very large
✅ The correct answer is option A.
Number of gm moles of solute dissolved in one litre of a solution is called its
Equivalent weight
Molarity
Molality
Normality
✅ The correct answer is option B.