Smoke screen is produced by using
A. Calcium carbide
B. Calcium phosphide
C. Phosphours trisulphide
D. Phosphorus trioxide
A. Calcium carbide
B. Calcium phosphide
C. Phosphours trisulphide
D. Phosphorus trioxide
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
Correct Answer – B
Calcium phosphide is hydrolysed with water to form phosphine which burns to give required smoke