Question

which of the following solids is insoluble in water​

Answer 1

Answer:

Things like salt, sugar and coffee dissolve in water. They are soluble. They usually dissolve faster and better in warm or hot water. Pepper and sand are insoluble, they will not dissolve even in hot water.

Answer 2

Sand is insoluble in water.

Explanation:

• The substances such as salt, sugar and coffee powder when mixed in water, they gets dissolved.
• They form a homogenous solution in which these substance gets dissolved uniformly and completely.
• On the other hand, sand when mixed in water doesn't gets dissolved in it, and gets settled down at the bottom.
• This is because, the bonding in sand in much strong that, the water cannot break it.