Calcium carbonate will be formed which is insoluble in water.
The answer is a) K and CrO4 only.
Correct answer is <span>Fuels do not have to be purchased to generate power.</span>
Different elements produce different colors of light when heated because the electrons in these elements have different permissible energy levels. When an element is heated, the electrons inside it become excited and move to an higher energy level from the ground state. When the electrons drop from this higher energy level, they typically emit energy quantum, the color of the light that is observed at this stage depends on difference that exist in the two energy levels.<span />
