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प्रश्न
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
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उत्तर
Brass and bronze are mixtures as the composition of elements are not fixed by mass and has no formula.
Lead nitrate and copper sulphate are compounds as they have a fixed ratio of elements by mass and have a formula like Pb[NO3]2 and CuSO4.
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संबंधित प्रश्न
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A heterogeneous mixture has a uniform composition throughout the mixture
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Vinegar
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Elements are made up of compounds
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Noble gases are high reactive
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The hardest naturally occurring substance
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Non-metal conducting electricity :______ :: Metal conducting electricity : Copper
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| 2. | Sulfur | b. | Making mobile phones |
| 3. | Element | c. | triatomic molecule |
| 4. | Gallium | d. | Polyatomic molecule |
