Class 8 Online Courses

Inventions App's Tests

Inventions e-Book's MCQs - Complete

Dewar Flask Quiz App & e-Book Download - 141

MCQ:

The first thermos was patented by

  1. Sir James Dewar
  2. Sir Etienne Montgolfier
  3. Sir Alfred Nobel
  4. Sir Henri Giffard

Inventions App & e-Book Tests PDF Download

Dewar Flask Learning App: Free Download Android & iOS

The App: Dewar Flask Quiz App to learn Dewar Flask Textbook, General Knowledge Quiz App, and Applied Anthropology Quiz App. The "Dewar Flask" 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!

Dewar Flask App (Android & iOS)

Dewar Flask App (Android & iOS)

General Knowledge App (Android & iOS)

General Knowledge App (iOS & Android)

Applied Anthropology App (Android & iOS)

Applied Anthropology App (Android & iOS)

RF Electronics App (Android & iOS)

RF Electronics App (iOS & Android)