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Which Technique is Used in a Washing Machine to Squeeze Out Water from Wet Clothes While Drying ? - Science

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प्रश्न

Which technique is used in a washing machine to squeeze out water from wet clothes while drying ?

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उत्तर

Centrifugation is a technique used in a washing machine to squeeze out water from wet clothes while drying.

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पाठ 2: Is Matter Around Us Pure - Very Short Answers [पृष्ठ १०६]

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लखमीर सिंह Chemistry [English] Class 9
पाठ 2 Is Matter Around Us Pure
Very Short Answers | Q 30 | पृष्ठ १०६

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  4. other than carbon which shows allotropy
  5. which is known to form the largest number of compounds

Name a metal which is yellow in colour.


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Iron powder and sulphur powder were mixed together and divided into two parts A and B. When part A was heated strongly over a burner, then a substance C was formed. The part B was, however, not heated at all. When dilute hydrochloric acid was added to substance C, then gas D was evolved and when dilute hydrochloric acid was added to part B then gas E was evolved.

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  4. State one characteristic property of gas D.
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Give an example of liquid in gas.


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