Question

how to use chemical formula
Which chemical use to make auto fire or match stick burner from sum distance.

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Answer 1

Answer:

calcium phosphate is used to make auto auto fire

amoonia hydroxides is used

Answer 2

Answer:

Potassium chlorate, sulphur, starch and glue are the chemicals used to make auto fire or match stick burner from some distance.

Few chemical combinations can cause auto fire.  

Examples of chemicals that catch fire:

1.Combination of Sulphuric acid, potassium permanganate and acetone.

2.Combination of HCl, powders of zinc and ammonium nitrate.

This combustion might help to make the match stick self ignite. Match stick head contains chemicals like Potassium Chlorate, Starch, Sulphur, etc.

Hope it helps.