MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the dispersion of a liquid in another liquid called? |
| A. | Gel |
| B. | Foam |
| C. | Emulsion |
| D. | Aerosol |
| Answer» D. Aerosol | |
| 2. |
What is the emulsifier present in milk that makes it stable? |
| A. | Maltose |
| B. | Lactose |
| C. | Lactic acid bacillus |
| D. | Casein |
| Answer» E. | |
| 3. |
Which of the following statement about emulsions is true? |
| A. | Oily drugs cannot be prepared in the form of emulsions |
| B. | Digestion does not involve the process of emulsification |
| C. | Disinfectants like Dettol and Lysol give emulsions of water-in-oil type on mixing with water |
| D. | The cleansing action of soap is based upon the formation of water-in-oil emulsion |
| Answer» C. Disinfectants like Dettol and Lysol give emulsions of water-in-oil type on mixing with water | |
| 4. |
Which of the following statements regarding emulsions is false? |
| A. | Emulsions cannot be separated into their constituent liquids |
| B. | Emulsions show Brownian motion |
| C. | Emulsions show Tyndall effect |
| D. | Emulsions exhibit properties like Electrophoresis and Coagulation |
| Answer» B. Emulsions show Brownian motion | |
| 5. |
Which of the following is not a method to test the type of emulsion? |
| A. | Microscopic method |
| B. | Conductance method |
| C. | Coagulation method |
| D. | Dye method |
| Answer» D. Dye method | |
| 6. |
What is the difference between vanishing cream and cold cream? |
| A. | Both are examples of oil-in-water emulsions |
| B. | Vanishing cream is an oil-in-water emulsion whereas cold cream is a water-in-oil emulsion |
| C. | Vanishing cream is a water-in-oil emulsion whereas cold cream is anoil-in-water emulsion |
| D. | Both are examples of water-in-oil emulsions |
| Answer» C. Vanishing cream is a water-in-oil emulsion whereas cold cream is anoil-in-water emulsion | |
| 7. |
Soaps are emulsifying agents. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Which of the following is not an example of a water-in-oil emulsion? |
| A. | Cod liver oil |
| B. | Butter |
| C. | Cold cream |
| D. | Milk |
| Answer» E. | |
| 9. |
Which of the following is an example of an emulsifier? |
| A. | NaCl |
| B. | CaCO3 |
| C. | C15H31COONa |
| D. | CH3COOH |
| Answer» D. CH3COOH | |
| 10. |
An emulsion is a type of colloid. |
| A. | True |
| B. | False |
| Answer» B. False | |