Safety matches contain sulphur and the following except?<...
Safety matches contain sulphur and the following except?
sodium chloride
potassium trioxonitrate (V)
charcoal
phosphorus sulphide
Correct answer is A
Modern safety matches usually have antimony sulfide, oxidizing agents such as potassium chlorate, and sulfur or charcoal in the heads, and red phosphorus in the striking surface.
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