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Inventions App's Tests

Inventions e-Book's MCQs - Complete

Fire Extinguisher MCQs App Free Download & e-Book - 18

MCQ: 18

In which year, chemical foam extinguisher was invented?

  1. 1902
  2. 1896
  3. 1904
  4. 1899

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Fire Extinguisher Learning App: Free Download Android & iOS

The App: Fire Extinguisher MCQs App to learn Fire Extinguisher Notes, General Knowledge MCQs App, and Microelectronics MCQs App. The "Fire Extinguisher MCQs" App to free download General Knowledge App (iOS & Android) includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Fire Extinguisher App (Android & iOS)

Fire Extinguisher App (Android & iOS)

General Knowledge App (Android & iOS)

General Knowledge App (iOS & Android)

Microelectronics App (Android & iOS)

Microelectronics App (Android & iOS)

Sociology App (Android & iOS)

Sociology App (iOS & Android)