171. For a neutral solution (pH = 7), the value of[H⁺] [OH⁻] is equal to
0
1
< 1
> 1
✅ The correct answer is option B.
Statiometery MCQs
172. Pick out the correct conversion.
1 BTU =453.6 calories
1 BTU = 252 calories
1 calorie = 252 BTU
1 calorie = 453.6 BTU
✅ The correct answer is option B.
173. Sometimes, in chemical processes, a part of the outlet stream is rejected as waste in order to keep the impurity level in the system within limits. This phenomenon is termed as the
Recycling
Purging
Bypassing
Recirculation
✅ The correct answer is option B.
174. Isotopes are atoms having the same
Mass number
Number of neutrons
Atomic mass
None of these
✅ The correct answer is option D.
175. According to the kinetic theory, the thermal conductivity of a monoatomic gas is proportional to
T
T0.5
T1.5
T2
✅ The correct answer is option B.
176. Measurement of the amount of dry gas collected over water from volume of moist gas is based on the
Charle’s law
Dalton’s law of partial pressures
Avogadro’s hypothesis
Boyle’s law
✅ The correct answer is option B.
177. Internal energy of a substance comprises of the __________ energy.
Vibrational
Rotational
Translational
All of the above
✅ The correct answer is option D.
178. The value of (Cp – Cv)for a real gas obeying Vander Wall’s equation is
R
> R
< R
0.5 R
✅ The correct answer is option B.
179. Avogadro’s number is equal to
Answer: Option B
null
null
null
✅ The correct answer is option B.
180. Normality of a solution does not change with the increase in the
Pressure
Temperature
Solute concentration
Dilution of the solution
✅ The correct answer is option A.