Answer:
Two (2) types of ions
Explanation:
Metal ions (cations) and negatively charged ions (anions) of either chloride, carbonate, sulphides or hydroxides are present during the selective precipitation.
Majorly, the process determines the metal ions present by initiating precipitation as certain conditions.
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Answer: The density, mass, and weight of the iron block make it difficult to lift than a cork block.
Explanation:
Answer:
They come together and freeze. They turn into a solid and turn into ice.
Explanation:
Decrease in activation energy and increase in reaction rate
As it doesn’t effect equilibrium position it only increases rate of both forward and backward by same rate
https://sciencing.com/make-3d-model-atom-5887341.html