Who among the following laid the foundation of chemical sciences by establishing two important laws of chemical combination?
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_______________ is the movement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration.
Molybdenite is an ore/mineral of
What happens in an oxidation reaction?
What is formed when Carbon Dioxide is passed through Lime Water?
Blotting paper absorbs ink due to
Atomic number of which of the following elements is greater than that of Neon?
The salt concentration (measured as salinity in parts per thousand), is _______ % in sea.
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