MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How many grams of MgCO3 dissolved per litre gives 84 ppm hardness? |
| A. | 70.56 mg/L |
| B. | 48.23 mg/L |
| C. | 81.49mg/L |
| D. | 66.12 mg/L |
| Answer» B. 48.23 mg/L | |
| 2. |
1 degree Clarke = 1 part of CaCO3 per _____________ parts of water. |
| A. | 10,000 |
| B. | 30,000 |
| C. | 50,000 |
| D. | 70,000 |
| Answer» E. | |
| 3. |
The chemical equivalent of MgSO4 salt is ____________ |
| A. | 60 |
| B. | 47.5 |
| C. | 82 |
| D. | 68 |
| Answer» B. 47.5 | |