MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Water is a/an _______ |
| A. | Element |
| B. | Compound |
| C. | Pure substance |
| D. | Mixture |
| Answer» C. Pure substance | |
| 2. |
Which among the three states of matter has a definite shape and size? |
| A. | Solids |
| B. | Liquids |
| C. | Gases |
| D. | Vapor |
| Answer» B. Liquids | |
| 3. |
Point out an example of a compound. |
| A. | Sugar solution |
| B. | Hydrogen |
| C. | Ammonia |
| D. | Sodium |
| Answer» D. Sodium | |
| 4. |
Compounds cannot be separated by chemical methods. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
When two or more atoms of different elements combine with each other in a fixed ratio, the molecule of a ____ is obtained. |
| A. | Compound |
| B. | Element |
| C. | Atom |
| D. | Ion |
| Answer» B. Element | |
| 6. |
What are pure substances classified as? |
| A. | Elements and Atoms |
| B. | Molecules and Compounds |
| C. | Elements and Compounds |
| D. | Atoms and Molecules |
| Answer» D. Atoms and Molecules | |
| 7. |
Matter can be divided into two types i.e. mixture and pure substance. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
A ________ is made up of two or more pure substances which may be in any ratio. |
| A. | Mixture |
| B. | Element |
| C. | Molecule |
| D. | Atom |
| Answer» B. Element | |
| 9. |
The substances whose compositions are not uniform and different components are mixed are called _______ |
| A. | Homogenous substances |
| B. | Heterogeneous substances |
| C. | Pure substances |
| D. | Elements |
| Answer» C. Pure substances | |