GENERAL KNOWLEDGE

GK

INVENTIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Gunpowder led to
A
fireworks
B
porcelain
C
rockets
D
a and c
Explanation: 

Detailed explanation-1: -Gunpowder has been widely used as a propellant in firearms, artillery, rocketry, and pyrotechnics, including use as a blasting agent for explosives in quarrying, mining, building pipelines and road building.

Detailed explanation-2: -But it is often simplified to: 2 KNO3 + S + 3 C → K2S + N2 + 3 CO2 (2) Sometimes, formulas for charcoal (like C7H4O) that approximate it’s composition, but don’t represent any actual compound in the charcoal, are used in place of C: 6 KNO3 + C7H4O + 2 S → 2 K2S + 4 CO2 + 3 CO + 2 H2O + 2 N2 (3)

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