Assuming the problem is a variation of a common chemistry problem where a sample of HBr at a similar temperature (700 K or 427 °C) is approximately 10% decomposed, the most likely answer is 0.1.
The percentage of a sample of HBr decomposes at 430 °C. is?
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Question context
This question is part of 🧬 Biochemistry within the broader 🧬 Medical Science subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.