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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Explain the Meaning of the Term Matter with Special Reference to the Term ‘Substance’. - Chemistry

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प्रश्न

Explain the meaning of the term matter with special reference to the term ‘substance’.

एक पंक्ति में उत्तर

उत्तर

Matter refers to anything that has mass, occupies space, and can be felt by the senses. A substance is a type of matter with a consistent chemical composition and characteristic properties.

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अध्याय 1: Matter and Its Composition - Exercise

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संबंधित प्रश्न

Gases have definite volume but no definite shape.


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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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  3. Name the gas (i) D, and (ii) E ?
  4. State one characteristic property of gas D.
  5. Write one test to identify gas E.

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