MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The complex ion [Ag(S2O3)2]3- is associated with which field? |
| A. | Electroplating |
| B. | Medicine |
| C. | Water treatment |
| D. | Photography |
| Answer» E. | |
| 2. |
Given below is the incomplete equation for the extraction process of gold using potassium cyanide. Identify the missing reagent. |
| A. | Water |
| B. | Oxygen |
| C. | Water + air |
| D. | Zinc dust |
| Answer» D. Zinc dust | |
| 3. |
Which reagent is used for detecting Ni2+ ions in solution? |
| A. | EDTA |
| B. | Dimethylglyoxime |
| C. | α-nitroso-β-naphthol |
| D. | Cupron |
| Answer» C. α-nitroso-β-naphthol | |