Answer:
a. Liquid state
b. At point R. The physical state of water at its boiling point temperature of 100 degree Celsius will be both liquid state as well as gaseous state.
c. at 110 degrees it is in gaseous state
The nucleus is always positive since thats where the protons are located and the neutrons have no charge....
Every chemical "compound" is. Some examples of compounds include ...
Salt
Carbon dioxide
Alcohol
Water
DNA
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