The allotropic form of phosphorus used as rat poison is
Violet phosphorus
Red phosphorus
White phosphorus
Scarlet phosphorus
Super Phosphate is a
Nitrogenous fertilizer
Phosphatic fertilizer
Potassium fertilizer
Calcium fertilizer
Phossy jaw is caused due to the presence of
Sodium
Chlorine
Phosphorus
Calcium
Phosphorus pentoxide dissolves in cold water to form
Phosphoric acid
Meta phosphoric acid
Ortho phosphoric acid
Phosphorus acid
The formula of meta phosphoric acid is
H2PO6
H3PO7
HPO3
HPO4
The acid used to convert bone ash to phosphoric acid is
Conc.HCl
Conc.H2SO4
Conc.HNO3
Conc.HClO4
Red phosphorus on heating nitric acid gives.
Phosphides
Phosphine
Super phosphate
The match box contains
A non-poisonous allotropy of phosphorus is
The slag formed in the electrical process of manufacture of phosphorus is
Carbon dioxide
Calcium phosphate
Calcium silicate
