Q) Based on the classification of explosives as per explosives rules, choose the correct combination

Category             Explosives
P- Class 1       1- Nitro compounds
Q- Class 2      2- Chlorate mixture
R- Class 3      3- Nitrate mixture
S– Class 4     4- Gun powder

• P-1, Q-2, R-4, S-3
• P-4, Q-2, R-1, S-3
• P-4, Q-3, R-1, S-2
• P-1, Q-3, R-4, S-2