Small amounts of sugar, chalk powder, sand, and vegetable oil are added to four different beakers. Two-thirds of each beaker is filled with water. The water ir each beaker is stirred with a spoon and is allowed to stand for five minutes. Which substance from the ones listed above would dissolve in water? (a) Sugar (b) Chalk powder (d) Vegetable oil (c) Sand
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Answer: Sugar
Explanation: Becuase sugar is soluble substance
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Answer:
Only sugar dissolve in water.
Reason:
Because sand and chalk powder form heterogeneous mixture while vegetable oil is immiscible in water due to variation in densities.
Hence only sugar dissolves in water and form homogeneous mixture.
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