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In which of the following chemical equations, the abbreviations represent the correct states of the reactants and products involved at reaction temperature? - Science

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प्रश्न

In which of the following chemical equations, the abbreviations represent the correct states of the reactants and products involved at reaction temperature?

पर्याय

  • \[\ce{2H2(1) + O2(1) -> 2H2O(g)}\]

  • \[\ce{2H2(g) + O2(1) -> 2h2O(1)}\]

  • \[\ce{2H2(g) + O2(g) -> 2H2O(1)}\]

  • \[\ce{2H2(g) + O2(g) -> 2H2O(g)}\]

MCQ
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उत्तर

\[\ce{2H2(g) + O2(g) -> 2H2O(g)}\]

Explanation:

H2 and O2 are gases at room and elevated temperatures. The reaction is carried upon strong heating. At this temperature, H2O formed is in gaseous state.

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पाठ 1: Chemical Reactions and Equations - Exemplar [पृष्ठ ४]

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एनसीईआरटी एक्झांप्लर Science [English] Class 10
पाठ 1 Chemical Reactions and Equations
Exemplar | Q 17. | पृष्ठ ४

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