sodium chloride
potassium trioxonitrate (V)
charcoal
phosphorus sulphide
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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. Nonsafety matches usually have phosphorus sesquisulfide in the heads.
please A is correct safety matches do not contain sodium chloride (common salt) as a primary component in their match heads. Instead, they typically contain potassium trioxonitrate(V) (potassium nitrate) as the oxidizing agent, along with sulfur and other materials like charcoal or phosphorus compounds. Sodium chloride is not part of the chemical composition responsible for the ignition or burning process in safety matches
My school chose wrong,Non safety matches it's for phosphorus sulphide, while safety matches is potassium trioxochlorate
