MCQOPTIONS
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MCQOPTIONS
This section includes 480 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Process Calculation knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
Nitrogen deficiency can be traced in plants by its |
| A. | stunted growth only |
| B. | yellow leaves only |
| C. | wilting |
| D. | stunted growth and yellow leaves |
| Answer» E. | |
| 202. |
Sulfur dioxide (SO₂) is |
| A. | soluble in water |
| B. | insoluble in water |
| C. | sparingly soluble in water |
| D. | sparingly insoluble in water |
| Answer» B. insoluble in water | |
| 203. |
Fluorescent bulbs to produce electricity uses |
| A. | solid state |
| B. | liquids |
| C. | gases |
| D. | plasma |
| Answer» E. | |
| 204. |
Density is calculated by substituting value of n (number of moles) as |
| A. | m/M |
| B. | P/M |
| C. | D/M |
| D. | V/M |
| Answer» B. P/M | |
| 205. |
Value of attraction coefficient is constant in case of |
| A. | particular real gas |
| B. | ideal gas |
| C. | mixture of gases |
| D. | isolated gases |
| Answer» B. ideal gas | |
| 206. |
Gas which shows marked deviation from ideal gas behaviour according to graph is |
| A. | helium |
| B. | sulphur |
| C. | iodine |
| D. | carbon dioxide |
| Answer» E. | |
| 207. |
If sodium (Na) is burned in limited supply of oxygen (O₂), the product is a |
| A. | white solid |
| B. | pink solid |
| C. | buff color solid |
| D. | black solid |
| Answer» B. pink solid | |
| 208. |
Oxygen has a higher electronegativity than |
| A. | Na(s) |
| B. | Mg(s) |
| C. | Al(s) |
| D. | I(s) |
| Answer» D. I(s) | |
| 209. |
Van der Waal states that for ideal gas factors which must be corrected are |
| A. | volume |
| B. | pressure |
| C. | pressure and volume |
| D. | temperature |
| Answer» D. temperature | |
| 210. |
Volume of vessel containing gas having minus effective volume of gas gives us |
| A. | Free volume |
| B. | compressed volume |
| C. | pressurized volume |
| D. | cold volume |
| Answer» B. compressed volume | |
| 211. |
What is true about nitrogen oxides? |
| A. | they are fertilizers |
| B. | they are pollutants |
| C. | they used as catalysts in many industrial processes |
| D. | none of above |
| Answer» C. they used as catalysts in many industrial processes | |
| 212. |
Kinetic energy of gas molecules is given by |
| A. | 1/7mN*mean square velocity |
| B. | 1/9mN*mean square velocity |
| C. | 1/6mN*mean square velocity |
| D. | 1/2mN*mean square velocity |
| Answer» E. | |
| 213. |
Value of R becomes 62400 if unit of pressure taken is |
| A. | Nm |
| B. | torr |
| C. | joule |
| D. | mole |
| Answer» C. joule | |
| 214. |
Idea of deviation of gases from ideal behaviour was given by |
| A. | van der Waal |
| B. | Boyle's |
| C. | Charle's |
| D. | Dalton |
| Answer» B. Boyle's | |
| 215. |
Expression of root mean square velocities, is description of relationship between velocities of gas and |
| A. | absolute temperature |
| B. | absolute pressure |
| C. | absolute volume |
| D. | density |
| Answer» B. absolute pressure | |
| 216. |
Plants absorb nitrate ions essential for growth and make |
| A. | proteins |
| B. | minerals |
| C. | carbohydrates |
| D. | vitamins |
| Answer» B. minerals | |
| 217. |
In demonstration of Graham's law, fumes are produced at point of |
| A. | junction of gases |
| B. | where pressure is high |
| C. | where area is greater |
| D. | at end of the tube |
| Answer» B. where pressure is high | |
| 218. |
Plasma state is more likely to occur at temperature of |
| A. | 25 degree Celsius |
| B. | 2000 degree Celsius |
| C. | 100000 degree Celsius |
| D. | 70 degree Celsius |
| Answer» D. 70 degree Celsius | |
| 219. |
Unit of Nm^+4mol^-2 is a unit of constant |
| A. | a |
| B. | b |
| C. | c |
| D. | d |
| Answer» B. b | |
| 220. |
Critical volume for oxygen is |
| A. | 74.42cm cube |
| B. | 95.65 cm cube |
| C. | 64.54cm cube |
| D. | 89cm cube |
| Answer» B. 95.65 cm cube | |
| 221. |
Gases occupy volume of the |
| A. | Solids |
| B. | liquids |
| C. | air |
| D. | container |
| Answer» E. | |
| 222. |
Nitrogen gas prevents the chance of explosion in case of crude oil contact with the air because it is |
| A. | reactive |
| B. | non-reactive |
| C. | soluble |
| D. | covalently bonded |
| Answer» C. soluble | |
| 223. |
Smallest particles in universe are |
| A. | solids |
| B. | quarks |
| C. | plasma |
| D. | neutrons |
| Answer» C. plasma | |
| 224. |
Size of tube taken in case of experimental description of Graham's law is |
| A. | 300cm |
| B. | 100cm |
| C. | 150cm |
| D. | 200cm |
| Answer» C. 150cm | |
| 225. |
The hypothesis that the equal volume of all gases possess the same number of molecules is called |
| A. | Avogadro constant |
| B. | Avogadro hypothesis |
| C. | Avogadro's equilibria |
| D. | Avogadro's theory |
| Answer» C. Avogadro's equilibria | |
| 226. |
Electrical energy from fusion pollution control can be created by |
| A. | plasma |
| B. | liquid |
| C. | gases |
| D. | solids |
| Answer» B. liquid | |
| 227. |
Stunted growth and yellow leaves in a plant are the indicators of |
| A. | Acid Rains |
| B. | Nitrogen deficiency |
| C. | excess alkalinity of soil |
| D. | Alkaline Rains |
| Answer» C. excess alkalinity of soil | |
| 228. |
Volume of gas is very large in comparison to |
| A. | actual volume of gas molecules |
| B. | pressurized volume of molecules |
| C. | volume taken at high temperature |
| D. | apparent volume of gas |
| Answer» B. pressurized volume of molecules | |
| 229. |
Average translational kinetic energy of gas molecules is described by |
| A. | E(k) |
| B. | E(l) |
| C. | E(n) |
| D. | E(m) |
| Answer» B. E(l) | |
| 230. |
Definite shape is a characterization of |
| A. | solids |
| B. | liquids |
| C. | gases |
| D. | plasma |
| Answer» B. liquids | |
| 231. |
In order to form NaCl, |
| A. | Na and Cl shall be heated separately first |
| B. | Na and Cl shall be heated together |
| C. | Na shall be heated first and then plunged into the jar of O₂ |
| D. | none of above |
| Answer» D. none of above | |
| 232. |
Kinetic equation of gases was derived in |
| A. | 1876 |
| B. | 1876 |
| C. | 1857 |
| D. | 1890 |
| Answer» D. 1890 | |
| 233. |
Metal that reacts slowly with chlorine (Cl₂) is |
| A. | Mg(s) |
| B. | Si(s) |
| C. | Al(s) |
| D. | Na(s) |
| Answer» C. Al(s) | |
| 234. |
A hydrocarbon which is composed of only one carbon and hydrogen is called |
| A. | methylidyne |
| B. | propane |
| C. | methane |
| D. | ethane |
| Answer» B. propane | |
| 235. |
P(i) represents the |
| A. | kinetic pressure |
| B. | potential pressure |
| C. | combined pressure |
| D. | non combined pressure |
| Answer» B. potential pressure | |
| 236. |
Boyle law states that for increase in pressure volume is |
| A. | increased |
| B. | decreased |
| C. | remained constant |
| D. | climbed |
| Answer» C. remained constant | |
| 237. |
Movement from a very small opening is |
| A. | diffusion |
| B. | effusion |
| C. | expulsion |
| D. | explosion |
| Answer» C. expulsion | |
| 238. |
What is the pressure of a 5 liter/mole ideal gas at temperature 27°C? |
| A. | 2.5 atm |
| B. | 3.8 atm |
| C. | 4.4 atm |
| D. | 5.3 atm |
| Answer» E. | |
| 239. |
How many grams of C₂H₆ (z = 1.4) is present in the container at 27°C and 5 atm and with volume 10 liter? |
| A. | 20 g |
| B. | 30.4 g |
| C. | 40.6 g |
| D. | 50.8 g |
| Answer» D. 50.8 g | |
| 240. |
What is the compressibility of ideal gases? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 241. |
A process is carried out for the feed mixture of 40% air and 60% oxygen, the compressor recovered 2% of oxygen, what is the exit pressure of the compressor, if the partial pressure of oxygen vapor is 5 mm Hg? |
| A. | 2.4 mm Hg |
| B. | 4.8 mm Hg |
| C. | 6.5 mm Hg |
| D. | 8.4 mm Hg |
| Answer» B. 4.8 mm Hg | |
| 242. |
Answer question for the following diagram.What is the value of B? |
| A. | 18.9 mole/hr |
| B. | 38.6 mole/hr |
| C. | 45.2 mole/hr |
| D. | 72.1 mole/hr |
| Answer» C. 45.2 mole/hr | |
| 243. |
A container has vapor H₂O with partial pressure 9 atm, what is fraction of air in the vessel? |
| A. | 0.1 |
| B. | 0.4 |
| C. | 0.7 |
| D. | 0.9 |
| Answer» B. 0.4 | |
| 244. |
Which of the following defines condensation? |
| A. | Change of solid to vapor |
| B. | Change of vapor to liquid |
| C. | Change of liquid to vapor |
| D. | Change of vapor to solid |
| Answer» C. Change of liquid to vapor | |
| 245. |
Pressure of a gas at temperature T is P, What is the pressure of the gas at 2T, use B = 1? |
| A. | Pe1/T |
| B. | Pe1/2T |
| C. | Pe1/3T |
| D. | Pe1/4T |
| Answer» C. Pe1/3T | |
| 246. |
What is the pressure of H₂ with compressibility 0.6, molar volume 5 liter/mole at 27°C? |
| A. | 2.9 atm |
| B. | 5.4 atm |
| C. | 9.6 atm |
| D. | 14.5 atm |
| Answer» B. 5.4 atm | |
| 247. |
A process is carried out for the feed mixture of 95% air and 5% ammonia vapor, the compressor recovered 40% of ammonia, what is the exit pressure of the compressor, if the partial pressure of ammonia vapor is 10 mm Hg? |
| A. | 225.4 mm Hg |
| B. | 326.8 mm Hg |
| C. | 451.2 mm Hg |
| D. | 593.5 mm Hg |
| Answer» C. 451.2 mm Hg | |
| 248. |
How many streams are there in the following process? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 249. |
What is the pressure of 80 grams of CH₄ with compressibility 5, with 10 liter volume at 27°C? |
| A. | 10.5 atm |
| B. | 28.9 atm |
| C. | 44.2 atm |
| D. | 61.5 atm |
| Answer» E. | |
| 250. |
First of the two ideal gases has twice molar volume as much as the second at same temperature, what is the ratio of their pressures? |
| A. | 4:1 |
| B. | 1:4 |
| C. | 2:1 |
| D. | 1:2 |
| Answer» E. | |