The invention of the common chemical matchstick containing safer amorphous red phosphorus instead of toxic white phosphorus is called what? MCQ with Answer and Explanation

The invention of the common chemical matchstick containing safer amorphous red phosphorus instead of toxic white phosphorus is called what?
A. Lucifer Match
B. Congreve Match
C. Safety Match
D. Friction Match
Answer: Option C
Solution (By JKSSB Mock Tests)
John Edvard Lundström developed the commercial safety match in Sweden by putting red phosphorus on the striking strip rather than the match head.

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Practice More Inventions and Discoveries Questions

Question #1
Who discovered that light waves travel as transverse vibrations, contradicting the longitudinal wave model?
A. Augustin-Jean Fresnel and Thomas Young
B. Christiaan Huygens
C. James Clerk Maxwell
D. Isaac Newton

Correct Answer: Option A


Explanation:
Fresnel and Young demonstrated through polarization experiments that light waves propagate perpendicular to the direction of travel.

Question #2
Who discovered the law of gas volume variations under changing pressures, known as the first gas law?
A. Jacques Charles
B. Amadeo Avogadro
C. Robert Boyle
D. Joseph Louis Gay-Lussac

Correct Answer: Option C


Explanation:
Robert Boyle published Boyle's Law in 1662, establishing that pressure and volume of a gas are inversely proportional at constant temperature.

Question #3
Who discovered that the element Beryllium is isolated from emerald and beryl crystal ores?
A. Jöns Jacob Berzelius
B. Louis-Nicolas Vauquelin
C. Martin Heinrich Klaproth
D. Humphry Davy

Correct Answer: Option B


Explanation:
Vauquelin discovered beryllium oxide in 1798 after chemical analysis of distinct mineral beryl matrix samples.