The answer is (3), oxidation occurs at the anode and reduction occurs at the cathode. That's because the oxidation reaction can lose electrons and reduction can gain electrons.
<span>According to the law of conservation of energy, the total amount of energy in the universe will remain the same. Therefore, energy cannot be created or destroyed, only transformed.
Hope this helps! :)</span>
There are three atoms of H in 3H2SO4.
Explanation:
Hydrogen is collected by downward displacement of water as it is less denser than water. Hence it comes out at the surface of water . It is insoluble in water so it does not dissolve in water. ... So, it is impossible to collect hydrogen gas in air medium.22-O
Mendeleev's investigations suggested previous versions did not work for all known elements : <span>best explains why Mendeleev's periodic table became the first widely accepted organized scheme for the elements.</span>
