ICSE Class 10 Chemistry 2023 Solved Paper
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State one relevant observation for each of the following:
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Question : 69
Total: 88
Dry ammonia gas is passed over heated PbO
Solution:
When dry ammonia gas is passed over heated PbO
3 PbO + 2 NH 3 → 3 Pb + N 2 ↑ + 3 H 2 O
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