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DINESH PUBLICATION-MOLE CONCEPT-Classification of matter
- What is the difference between solid and liquid states ?
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- Name three most abundant elements in earth's crust
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- Which of the following are metals ? (i) Sodium (ii) Sulphur (iii...
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- Name a metal which is liquid at room temperature.
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- Name the types of mixtures.
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- What type of mixture is formed when iron filings and sulphur are mixed...
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- What is the nature of the following mixtures ? (i) Air (ii) Petrol (...
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- Explain why is air sometime considered as a heterogeneous mixture.
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- Define an element. What are the three type of elements ?
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- Give on example each of the following mixtures (i) Gas-Gas (ii) Gas-...
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- Mixture of salt and water is a solution while that of oil and water is...
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- There is a definite number of elements while the number of compounds i...
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