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प्रश्न
Fill in the blank:
________ and _______ are pure substances.
रिकाम्या जागा भरा
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उत्तर
Elements and compounds are pure substances.
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Differences Between Elements, Compounds, and Mixtures
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
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संबंधित प्रश्न
Name the main metal present in the following:
Chalk
Name the main metal present in the following:
Chlorophyll
State four difference between compounds and mixtures.
Give one word answer
The process of transferring the clean liquid after the solid settles at the bottom of the container
Match the columns.
| Column A | Column B |
| 1. To separate grain from chaff | a. filtration |
| 2. To seperat sawdust from water | b. sedimentation and decantation |
| 3. To separate iodine from sodium chloried | c. winnowing |
| 4. To separate iron fillings from sand | d. sublimation |
| 5.It is used to separate sand and water | e.magnetic separation |
| f. handpiicking |
Why is filtration a better technique than sedimentation and decantation ?
What is centrifugation ? Also write the principle on which it works.
Name the techniques used to separate a solid from its solution.
Water is a ______.
When two or more elements combine together they form ______.
