Question

Activity 2.9
Take about lg solid NaCl in a clean and
dry test tube and set up the apparatus as
shown in Fig. 2.4.
Add some concentrated sulphuric acid to
the test tube.
What do you observe? Is there a gas coming
out of the delivery tube?
Test the gas evolved successively with dry
and wet blue litmus paper.
In which case does the litmus paper change
colour?
On the basis of the above Activity, what do
you infer about the acidic character of:
(i) dry HCl gas
(ii) HCl solution?

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Answer 1

गतिविधि 2.9

स्वच्छ और स्वच्छ में स्वच्छ NaCl के बारे में ले लो

ड्राई टेस्ट ट्यूब और उपकरण को सेट अप करें

चित्र में दिखाया गया है। 2.4।

करने के लिए कुछ केंद्रित सल्फ्यूरिक एसिड जोड़ें

परीक्षण ट्यूब।

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