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Asked: 2021-06-19T11:00:38+00:00 In:

While performing the experiment to’study the properties of HCI and NaOH by their reaction with Na2CO3 a student can con{irm whether hydrogen or carbon dioxide is liberated, by:

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Poll Results

0%(a) their colour
0%(b) their odour
100%(c) lime water test ( 7 voters )
0%(d) pH paper
Based On 7 Votes

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NCERT Important Questions Class 10 Science
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    1 Answer

    1. (c) We can con-firm the liberation of carbon dioxide by lime water test when a milkiness will be obtained.

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