chemistry crossword 1

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• 2. this forms due to the action of bacteria on amino acids when proteins break down (5)
• 3. this is produced when benzenediazonium chloride reacts with conc NaCN(aq) with CuCN catalyst and warmed (12)
• 4. this is produced when benzenediazonium chloride is put under steam distillation (6)
• 5. when ammonia is heated under pressure with a halogenoalkane, this forms (5)