Verified on March 31, 2026
It's a common myth: mixing bleach and ammonia creates mustard gas. In reality, it creates toxic chloramine gas. Both are deadly, but they are chemically different.
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Mixing ammonia and bleach creates mustard gas.
Mustard gas requires sulfur and a specific chemical structure not present in household cleaners, though the actual result of the mixture is still a life-threatening toxic gas.
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