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Inventions MCQs – Certification Test 437

Negative photograph Trivia (Question 437) – Learning App & e-Book Download

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MCQ: 437

In which one of the following year, negative photograph was patented?

  1. 1856
  2. 1823
  3. 1840
  4. 1877
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8th Class Science Test Questions

8th Class Science Quiz with Answers