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प्रश्न
Who am I?
I dissolve in water, but not in kerosene.
उत्तर
I dissolve in water, but not in kerosene - Salt
संबंधित प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
When we add water to the following substances, which one will show a chemical change?
What is the common name of solid carbon dioxide ?
Under what conditions heat can be given to a substance without raising its temperature ?
Why does the temperature of a substance remain constant during the change of state ?
Which one of the following set of phenomena would increase on raising the temperature ?
Define the following terms: Vaporisation
Halima picks up a small stone from the ground and puts it in the water in a dish. Does the shape of the stone change?
State whether the following statement is true or false. If false write the correct statement.
During physical changes, the composition of the original substance is not altered, but the properties of the original substance are altered.
Select the correct answer from A, B, C, D & E for the statement given below:
The state of matter which has ___________ least density & no free surfaces.
Give the reason for the following
On heating a sublimable solid, the molecules break free & escape from the surface of the solid directly into vapour.