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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Name the type of reaction represented by the following equation : ` 4NH_(3)(g) +5O_(2)(g) to 4NO(g) + 6H_(2)O(g)` |
| Answer» Oxidation - reduction or redox reaction. | |
| 2. |
State the type of reaction represented by the following equation : ` 2KCIO_(3) overset("heat") to 2KCI +3O_(2)` |
| Answer» Thermal decomposition. | |
| 3. |
Which of the following statements is (are) correct about the reaction given below ? ` NH_(4)OH + HCI to NH_(4) CI +H_(2)O`A. `NH_(2)OH` acts the oxidising agent .B. The reaction is a neutralization one.C. HCI acts as the reducing agent.D. This is a double displacement reaction. |
| Answer» Correct Answer - B::D | |
| 4. |
Indicate the reducing agent in the following reaction : `2Ca +O_(2) to 2CaO` |
| Answer» Correct Answer - Ca | |
| 5. |
Which of the following is a (are) combination reaction (s) ?A. `CaO + H_(2)O to Ca(OH)_(2)`B. `Zn+H_(2)SO_(4) to ZnSO_(4) +H_(2)`C. `Ca(OH)_(2) + CO_(2) to CaCO_(3) + H_(2)O`D. `2Al_(2)O_(3) to 4AI +3O_(2)` |
| Answer» Correct Answer - A::C | |
| 6. |
What type of reaction does occur in the following ? `Fe_(2)O_(3)(s) + 2AI(s) to AI_(2)O_(3)(s) + 2Fe(1)`A. combinationB. DisplacementC. DecompositionD. Photochemical |
| Answer» Correct Answer - D | |
| 7. |
Which of the following equations is (are) not correctly balanced ?A. `Mg+2HCI to MgCI_(2)+H_(2)`B. `2KNO_(3) to 2KNO_(2) +O_(2)`C. `N_(2)+2H_(2) to 2NH_(3)`D. `2KCIO_(3) to 2KCI + 3O_(2)` |
| Answer» Correct Answer - C | |
| 8. |
Double displacement reaction is also known asA. synthesis reactionB. substitution reactionC. metathesia reactionD. redox reaction |
| Answer» Correct Answer - C | |
| 9. |
Which of the statement about the following reactions is correct ? ` ZnO + CO to Zn + CO_(2) `A. ZnO is being oxidized.B. CO is being reducedC. `CO_(2)` is being oxidizedD. ZnO is being reduced. |
| Answer» Correct Answer - D | |