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CHEMISTRY

Chemistry
In organic compounds, nitrogen is estimated by

Dumas method
Liebig's method
Carius method
Victor-Meyer's method

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Chemistry
Heavy metals got their name because compared to other atoms they have

Higher atomic masses
Higher atomic numbers
Higher atomic radii
Higher densities

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Chemistry
Which one of the following elements exhibits the greatest tendency to lose electrons ?

Oxygen
Zinc
Fluorine
Lithium

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Chemistry
Which one is heaviest naturally-occurring element of the periodic element

Iron
Thorium
Rhodium
Uranium

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Chemistry
What is the atomic number of mercury

63
32
80
41

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