Question : Which odourless, colourless, tasteless and chemically unreactive gas was invented by Daniel Rutherford in 1772 and was independently isolated at the same time by Carl Wilhelm Scheele and Henry Cavendish?
Option 1: Nitrogen
Option 2: Argon
Option 3: Fluorine
Option 4: Oxygen
Correct Answer: Nitrogen
Solution : The correct answer is nitrogen.
The Scottish physician Daniel Rutherford discovered nitrogen. By isolating the particle in 1772 , Rutherford found nitrogen. The element nitrogen has an atomic number of seven and the letter N as its symbol.
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Question : Which of the following is odourless, tasteless, and non-toxic and is made up of 93.05% methane, nitrogen, carbon dioxide, propane, and traces of ethane?
Question : Which element behaves chemically both as metal and non-metal?
Question : The discovery and understanding of electromagnetic induction is based on a long series of experiments carried out by ______.
Question : In 1784, who discovered the composition of water through his experiment with hydrogen and oxygen?
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