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.
The following equations represent redox reactions EXCEPT ...
Hydrogen sulphide gas can act as? ...
Which of the following CANNOT be an empirical formula? ...
Which of the following salts can be prepared by reacting the metal with dilute H2SO4?...
Copper is displaced from the solution of its salts by most metals because it ...
The acidic hydrogen in the compound is the hydrogen attached to carbon number...