Gun powder is a mixture which when ignited a number of chemical reactions take place producing explosion. It consists of: (Rajyaseva Pre 2013)
(a) Potassium nitrate (b) Powdered charcoal
(c) Sulphur (d) Sodium Carbonate
(e) Calcium Sulphate
(a), (b), (c)
(a), (b), (e)
(a), (c), (d)
(b), (c), (d)
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