Who discovered that electrical currents passing through solutions break down compounds chemically, formalizing the Laws of Electrolysis? MCQ with Answer and Explanation

Who discovered that electrical currents passing through solutions break down compounds chemically, formalizing the Laws of Electrolysis?

A. Alessandro Volta

B. Michael Faraday

C. Humphry Davy

D. Svante Arrhenius

Answer: Option B

Michael Faraday established the quantitative laws of electrolysis, introducing terms like anode, cathode, and ion.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1 Report Error

The invention of the common electric toaster mechanism was achieved using nichrome wire by whom?

A. Nikola Tesla

B. Thomas Edison

C. Albert Marsh and George Schneider

D. Elisha Otis

Correct Answer: Option C

Explanation:
Albert Marsh patented Nichrome resistance wire alloy, which enabled safe high-heat cycling within appliances like toasters.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2 Report Error

Who discovered the therapeutic potential of the anti-malarial drug Artemisinin, winning a Nobel Prize in 2015?

A. Charles Laveran

B. Satoshi Ōmura

C. Tu Youyou

D. Ronald Ross

Correct Answer: Option C

Explanation:
Tu Youyou extracted artemisinin from sweet wormwood plants based on traditional Chinese medical texts, saving millions from malaria.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3 Report Error

Who discovered that cells arise only from pre-existing cells via division, completing cell theory?

A. Robert Hooke

B. Theodor Schwann

C. Rudolf Virchow

D. Matthias Schleiden

Correct Answer: Option C

Explanation:
Rudolf Virchow popularized the Latin aphorism 'Omnis cellula e cellula' in 1855, establishing modern cellular pathology basics.

This question belongs to: Static General Knowledge Inventions and Discoveries