MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Industry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Why minor quantities of Na2CO3 required in electrolysis process? |
| A. | For Cl2 drying |
| B. | For high purity brine |
| C. | For salt purification |
| D. | For high purity depleted brine |
| Answer» D. For high purity depleted brine | |
| 2. |
Where ‘denuding’ is occur_______ |
| A. | Diaphragm cell |
| B. | Mercury cell |
| C. | Membrane cell |
| D. | Voltaic cell |
| Answer» C. Membrane cell | |
| 3. |
Which one is a NaOH process with no Cl2 co-product? |
| A. | HCl-air oxidation with Fe2O3 |
| B. | HCl-air-Cl2 oxychlorination |
| C. | HNO3-Nacl-air process |
| D. | Na2CO3– Ca(OH)2 |
| Answer» E. | |
| 4. |
What is the disadvantage of solvay process? |
| A. | No co-products to dispose |
| B. | Use of low-grade brine |
| C. | Higher salt consumption |
| D. | Low corrosion problems |
| Answer» D. Low corrosion problems | |
| 5. |
What is the modification of the dual process? |
| A. | Recovery of NH4Cl as co-product |
| B. | Recovery of NH3 as co-product |
| C. | Recovery of NaHCO3 as co-product |
| D. | Recovery of NH34(NO3) as co-product |
| Answer» B. Recovery of NH3 as co-product | |
| 6. |
In solvay process, where purified brine is pumped? |
| A. | CO absorber tower |
| B. | H2O absorber tower |
| C. | NH3 absorber tower |
| D. | Carbonation tower |
| Answer» D. Carbonation tower | |
| 7. |
What is the input bulk requirements for the solvay process? |
| A. | Salt, coal and water |
| B. | Salt, coal and limestone |
| C. | Salt, limestone and water |
| D. | Coal, limestone and water |
| Answer» C. Salt, limestone and water | |
| 8. |
Which one is dual process? |
| A. | Na2CO3+NH4Cl |
| B. | Na2CO3+NaCl |
| C. | NH4Cl+Ca(OH)2 |
| D. | CaCO3+NaCl |
| Answer» B. Na2CO3+NaCl | |
| 9. |
Which one mentioned below is not a major industrial chemical produced by chloro-alkali industry? |
| A. | Soda ash |
| B. | Caustic soda |
| C. | Chlorine |
| D. | Ammonium carbonate |
| Answer» E. | |