Class 8 Online Courses

Inventions App's Tests

Inventions e-Book's MCQs - Complete

Water Heaters Quiz App & e-Book Download - 37

MCQ:

Water heater was invented by

  1. Sir Joseph Henry
  2. Sir Alfred Lee Loomis
  3. Sir Edwin Ruud
  4. Sir Joseph Nicephore

Inventions App & e-Book Tests PDF Download

Water Heaters Learning App: Free Download Android & iOS

The App: Water Heaters Quiz App to learn Water Heaters Textbook, General Knowledge Quiz App, and Marine Pollution Quiz App. The "Water Heaters" App to free download iOS & Android Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Water Heaters App (Android & iOS)

Water Heaters App (Android & iOS)

General Knowledge App (Android & iOS)

General Knowledge App (iOS & Android)

Marine Pollution App (Android & iOS)

Marine Pollution App (Android & iOS)

Basic Electronics App (Android & iOS)

Basic Electronics App (iOS & Android)