Which consequence arose in early Chinese gunpowder weaponry due to impurities?

💡 Explanation

The early production of gunpowder frequently involved contaminates; therefore, it suffered from a reduced 'burn rate' because impurities interfered with consistent oxidation-reduction, rather than spontaneous detonation, due to a stable deflagration.

• Which vulnerability in Roman scutum designs significantly affected legionary formations exposed to fire arrows?
• Which outcome results when the differential thermal expansion between marble and pietra dura inlay exceeds the adhesive limit?
• Which property determined the suitability of arsenical bronze axes for felling timber in Mesopotamia before ~3000BCE?
• Which risk increased in early Mesopotamian bronze metallurgy workshops lacking adequate ventilation?
• Which mechanical behavior critically increased risk when late pre-Columbian woven rope Inca suspension bridges experienced sustained rainfall?
• Which outcome occurred with early Chinese cast iron agricultural tools placed in acidic paddy fields?