MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Solid State Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following parameters can be used, using the DSC and DTA cells? |
| A. | Catalytic properties of enzyme |
| B. | Elasticity of crystals |
| C. | Enthalpy of substances |
| D. | Line positions of phases |
| Answer» D. Line positions of phases | |
| 2. |
A rapid TGA method is used for which of the following process? |
| A. | Decomposition of polymers exothermally |
| B. | Decomposition of enzymes exothermally |
| C. | Decomposition of crystals endothermally |
| D. | Decomposition of reactions isothermally |
| Answer» E. | |
| 3. |
DTA can be used for which of the following process? |
| A. | Line positions of the crystals |
| B. | Mechanical properties of the crystals |
| C. | Phase diagrams |
| D. | Catalytic properties of enzymes |
| Answer» D. Catalytic properties of enzymes | |
| 4. |
IN refractories, transitions such as α⇄β quartz or quartz ⇄ cristobalite have which of the following effect? |
| A. | Nasser’s effect |
| B. | Crystal effect |
| C. | Dislocation effect |
| D. | Deleterious effect |
| Answer» E. | |
| 5. |
A_RAPID_TGA_METHOD_IS_USED_FOR_WHICH_OF_THE_FOLLOWING_PROCESS??$ |
| A. | Decomposition of polymers exothermally |
| B. | Decomposition of enzymes exothermally |
| C. | Decomposition of crystals endothermally |
| D. | Decomposition of reactions isothermally |
| Answer» E. | |
| 6. |
Which_of_the_following_parameters_can_be_used,_using_the_DSC_and_DTA_cells?$ |
| A. | Catalytic properties of enzyme |
| B. | Elasticity of crystals |
| C. | Enthalpy of substances |
| D. | Line positions of phases |
| Answer» D. Line positions of phases | |
| 7. |
For the decomposition of the anhydrous calcium oxalate, which of the following steps occur? |
| A. | Intermediates, transition state, product |
| B. | Intermediates, anhydrous oxalate, calcium oxysalts |
| C. | Intermediates, aqueous hydrates, calcium hydroxides |
| D. | Intermediates, anhydrous calcium oxalate, calcium carbonate |
| Answer» E. | |
| 8. |
DTA can be used for which of the following process? |
| A. | Line positions of the crystals |
| B. | Mechanical properties of the crystals |
| C. | Phase diagrams |
| D. | Catalytic properties of enzymes |
| Answer» D. Catalytic properties of enzymes | |
| 9. |
IN refractories, transitions such as α⇄β quartz or quartz ⇄ cristobalite have which of the following effect?$ |
| A. | Nasser’s effect |
| B. | Crystal effect |
| C. | Dislocation effect |
| D. | Deleterious effect |
| Answer» E. | |
| 10. |
In the application of DTA and DSC which of the following parameters is measured for the glasses? |
| A. | Concentration of the glass |
| B. | Solubility of the glass |
| C. | Cooling temperature |
| D. | Transition temperature |
| Answer» E. | |
| 11. |
Which one of the following options is not true for hysteresis? |
| A. | It depends on the nature of the material |
| B. | It depends on the structural change involved |
| C. | It doesn’t depend on the experimental conditions |
| D. | It doesn’t depend on the concentration of the electrode |
| Answer» D. It doesn‚Äö√Ñ√∂‚àö√ë‚àö¬•t depend on the concentration of the electrode | |
| 12. |
On studying the reversible process during DTA which of the following is observed on both heating and cooling? |
| A. | Esterification |
| B. | Hysteresis |
| C. | Methylation |
| D. | Carboxylation |
| Answer» C. Methylation | |
| 13. |
In the schematic DTA sequence having reversible and irreversible changes, starting with the hydrated material, which of the following steps occurs first on heating? |
| A. | Esterification |
| B. | Methylation |
| C. | Rehydration |
| D. | Dehydration |
| Answer» E. | |
| 14. |
Which of the following option is appropriate for the TGA and DTA? |
| A. | TGA and DTA measures only weight |
| B. | TGA measures only weight while DTA measures other effects |
| C. | TGA and DTA measures only temperature |
| D. | TGA measures only temperature while DTA measures other effects |
| Answer» C. TGA and DTA measures only temperature | |