हिंदी

Which of the following is(are) an endothermic process(es)? Dilution of sulphuric acid Sublimation of dry ice Condensation of water vapours Evaporation of water

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प्रश्न

Which of the following is(are) an endothermic process(es)?

  1. Dilution of sulphuric acid
  2. Sublimation of dry ice
  3. Condensation of water vapours
  4. Evaporation of water

विकल्प

  • (i) and (iii)

  • (ii) only

  • (iii) only

  • (ii) and (iv)

MCQ
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उत्तर

(ii) and (iv)

Explanation - 

Both sublimation of dry ice (ii) and evaporation of water (iv) are of endothermic nature.

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अध्याय 1: Chemical Reactions and Equations - Exemplar [पृष्ठ ३]

APPEARS IN

एनसीईआरटी एक्झांप्लर Science Exemplar Class 10
अध्याय 1 Chemical Reactions and Equations
Exemplar | Q 12. | पृष्ठ ३

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