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प्रश्न
Non-metal conducting electricity :______ :: Metal conducting electricity : Copper
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उत्तर
Non-metal conducting electricity : Graphite :: Metal conducting electricity : Copper
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संबंधित प्रश्न
Tick the most appropriate answer.
The constituents of a mixture are present in
- a fixed ratio
- a variable ratio,
- the ratio of 2: 1
- none of these
Name the substance you will add to speed up sedimentation.
What is the difference between a pure substance and a mixture ?
Fill in the blank
The most abundant element in the earth’s crust is _______.
Indicate whether the following statement is true or false:
Molecules can exist independently.
Differentiate between the terms –
elements, compounds & mixtures.
Give an example of two liquids that form heterogeneous mixtures.
Match the following.
| 1. | Element | Made up of molecules |
| 2. | Compound | Impure substance |
| 3. | Colloid | Settles down on standing |
| 4. | Suspension | Pure substance |
| 5. | Mixture | Made up of atoms |
Give two example of elements.
Name the element which is used in toothpaste to strengthen our teeth.
