Question

1. sep obtain information what problem occurs if the firework mixture is not pure (i.e., they are dirty or contaminated)?

Explanation:

Impurities in a firework mixture can cause inconsistent burning rates, affect the color and intensity of the explosion, and may lead to mis - fires or premature explosions due to the presence of substances that react unpredictably.

Answer:

Inconsistent burning, affected explosion color and intensity, mis - fires or premature explosions.