(a)
Interpretation:
Whether radioactivity is expected to be in the solution or not is to be determined.
Concept introduction:
The solution is a homogeneous mixture of two or more substances. It can exist in any of the phases. Saltwater, rubbing alcohol, bleach, and air are some examples of solutions. It has two components: solute and solvent. The solute is the substance that is present in smaller quantity and gets itself dissolved in the other substance. The solvent is the substance that is present in a larger amount and it dissolves solute in itself.
The saturated solution is the solution that contains the maximum amount of solute dissolved in the solvent. Any additional amount of solute will not get dissolved in it. Soda is an example of a saturated solution.
(b)
Interpretation:
Whether radioactivity is present in all the solid or just in the seed crystal is to be determined.
Concept introduction:
Radioactivity is the property of matter due to which it emits energy and subatomic particles simultaneously. The emissions of the most common forms of spontaneous radioactive decay are an alpha particle, beta particle, and gamma-ray and neutrino.
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