The invention of the common chemical process for production of sodium carbonate (soda ash) from salt and limestone is named after whom? MCQ with Answer and Explanation

The invention of the common chemical process for production of sodium carbonate (soda ash) from salt and limestone is named after whom?
A. Carl Bosch
B. Ernest Solvay
C. Fritz Haber
D. Nicolas Leblanc
Answer: Option D
Solution (By JKSSB Mock Tests)
Nicolas Leblanc patented the early synthetic soda ash manufacturing method in 1791, satisfying early industrial glass and soap production needs.

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Practice More Inventions and Discoveries Questions

Question #1
The invention of the highly reflective silver glass surface mirror layout was developed by which chemist?
A. Antoine Lavoisier
B. Carl Wilhelm Scheele
C. Robert Bunsen
D. Justus von Liebig

Correct Answer: Option D


Explanation:
Liebig developed the chemical process of depositing thin metallic silver onto glass panes using chemical reduction reactions in 1835.

Question #2
Who discovered the enzyme Lysozyme and later discovered penicillin?
A. Edward Jenner
B. Alexander Fleming
C. Howard Florey
D. Louis Pasteur

Correct Answer: Option B


Explanation:
Sir Alexander Fleming discovered lysozyme (an antimicrobial enzyme found in tears and saliva) in 1921 before discovering penicillin in 1928.

Question #3
The invention of the common medical diagnostic device known as the blood pressure cuff (Sphygmomanometer) was optimized by whom?
A. Joseph Lister
B. Scipione Riva-Rocci and Harvey Cushing
C. René Laennec
D. Willem Einthoven

Correct Answer: Option B


Explanation:
Riva-Rocci introduced the mercury arm-cuff design in 1896, and neurosurgeon Harvey Cushing popularized it globally.