Question

which is primarily used in preparation of smoke screen

Answer 1

A smoke screen refers to the smoke that is released to hide the location or movement of various types of military units. This screen is usually formed using various chemicals. Some of the commonly used chemicals are:

*Zinc chloride

*Sulphonic acid

*Chlorosulphuric acid

*Dyes

*Titanium tetrachloride

*Phosphorus

Answer 2

Answer:

PHOSPHORUS is the right answer