MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Stainless steel is a/an ________ alloy. |
| A. | vacant |
| B. | interstitial |
| C. | substitution |
| D. | pure |
| Answer» C. substitution | |
| 2. |
Impurity defect is a type of point defect. It can occur __________ |
| A. | in one way, as substitution impurity defect |
| B. | in one way, as interstitial impurity defect |
| C. | in two ways, as substitution impurity defect or as interstitial impurity defect |
| D. | in two ways, as vacant impurity defect or as interstitial impurity defect |
| Answer» D. in two ways, as vacant impurity defect or as interstitial impurity defect | |
| 3. |
Schottky defects are observed in solids with cations and anions of similar sizes. Which of the following compounds, therefore, is NOT likely to have a Schottky defect? |
| A. | NaCl |
| B. | AgCl |
| C. | CsCl |
| D. | KCl |
| Answer» C. CsCl | |
| 4. |
In which type of point defect are the cations and anions absent in stoichiometric proportions? |
| A. | Schottky defect |
| B. | Frenkel defect |
| C. | Impurity defect |
| D. | The given situation does not occur for any point defect. |
| Answer» B. Frenkel defect | |
| 5. |
In a crystal, if a fault exists in the arrangement at a point, it is called as _________ |
| A. | space defect |
| B. | single defect |
| C. | point defect |
| D. | primary defect |
| Answer» D. primary defect | |
| 6. |
State whether true or false: The number of defects in a crystal can be minimized by carrying out the process of crystallization at a slow rate. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
What kind of order is present in a solid for it to be a perfectly crystalline solid? |
| A. | Long range order |
| B. | Short range order |
| C. | No order |
| D. | Both, short range and long range order |
| Answer» E. | |