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Dissolving

When a substance dissolves, it appears to vanish, but it actually combines with water to create a see-through liquid known as a solution.

  • Soluble Substances: These are substances that dissolve in water. For example, when you mix sugar with water, the sugar dissolves, forming a clear solution. Salt is another example of a substance that is soluble in water.
  • Insoluble Substances: These are substances that do not dissolve in water. For instance, when you mix sand or flour with water, they do not dissolve but remain visible in the water.

The dissolving process is essential in daily life and various industries. For instance, making coffee involves dissolving coffee granules in hot water to create a flavored beverage.
In the pharmaceutical industry, dissolving tablets are designed to dissolve in the stomach for effective drug absorption.

  • Understanding Solubility: Solubility refers to the ability of a substance to dissolve in a solvent like water.
  • Importance of Dissolving: Dissolving is crucial for various processes ranging from cooking to industrial applications.

Dissolving | Year 5 Science

Question for Dissolving
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Which of the following substances is considered insoluble in water?
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