Who among the following laid the foundation of chemical sciences by establishing two important laws of chemical combination?
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The salt concentration (measured as salinity in parts per thousand), is _______ % in sea.
___________ is obtained by evaporation of sea.
Which electron dot formula represents a polar molecule?
Which of the following metals displaces Iron from Iron Chloride?
Blotting paper absorbs ink due to
Terylene is a condensation polymer of ethylene glycol and which acid?
Which of the following is most important for absorption of heat radiated from the Sun as well as from the Earth?
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