Alexa, the voice service that powers Echo, provides capabilities, or skills, that enable customers to interact with devices in a more intuitive way using voice. Examples of these skills include the ability to play music, answer general questions, set an alarm or timer and more.
1 Water can dissolve salt because the positive part of water molecules attracts the negative chloride ions and the negative part of water molecules attracts the positive sodium ions. 2  The amount of a substance that can dissolve in a liquid (at a particular temperature) is called the solubility of the substance.
Table salt (NaCl) is soluble in water, but there are other salts such as lead chloride which are insoluble or only slightly soluble. 1. Filter the mixture to get the filtrate (soluble salt) and residue (insoluble salt) 2. Wash the residue with distilled water to clean away the leftover filtrate in t â¦ he insoluble salt.