1
Question
A bucket is filled with water up to the brim. If a teaspoonful of common salt is added to water; then
A bucket is filled with water up to the brim. If a teaspoonful of common salt is added to water; then
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Solution
The correct option is D None of the above
The explanation for the correct option:
Option (D)
When salt is added to water there won't be any reaction so no precipitate is formed. As it dissolves in water, the water will not overflow.
The explanation for wrong options:
Option (A)
As the salt will not react with water, no precipitate is formed.
Option (B)
The salt will dissolve in water and occupies spaces between water molecules. So the water will not overflow.
Option (C)
No chemical reaction will take place. Only a change in the physical state is observed.
Therefore, option (D) is the correct one.
None of the above
The explanation for the correct option:
Option (D)
When salt is added to water there won't be any reaction so no precipitate is formed. As it dissolves in water, the water will not overflow.
The explanation for wrong options:
Option (A)
As the salt will not react with water, no precipitate is formed.
Option (B)
The salt will dissolve in water and occupies spaces between water molecules. So the water will not overflow.
Option (C)
No chemical reaction will take place. Only a change in the physical state is observed.
Therefore, option (D) is the correct one.
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