Which outcome followed inefficient early gunpowder refinement during early Chinese rocketry?

💡 Explanation

Early gunpowder was unstable; imperfect mixing often led to deflagration rather than rapid detonation. The slower burning caused LOWER expansion force because energy was released over a longer duration therefore, less kinetic energy transferred affecting range, rather than managing temperatures or improving stability.

• Which phenomenon limited the size of castings when early metallurgists poured molten bronze for large statues?
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