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. |
Hydrogen acts as a reducing agent, |
| A. | by taking oxygen |
| B. | by giving electrons |
| C. | by taking hydrogen |
| D. | Both A and B |
| Answer» E. | |
| 2. |
Upon oxidation of acidified potassium manganate (VII), purple color of Manganese |
| A. | stays |
| B. | changes to pink |
| C. | becomes colorless |
| D. | becomes blue |
| Answer» D. becomes blue | |
| 3. |
Oxidizing agents |
| A. | are mostly non-metals |
| B. | are mostly metals |
| C. | decrease in oxidation state |
| D. | are mostly transition metals |
| Answer» B. are mostly metals | |
| 4. |
Oxidation involves |
| A. | loss of hydrogen |
| B. | loss of oxygen |
| C. | gain in hydrogen |
| D. | gain in electrons |
| Answer» B. loss of oxygen | |