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प्रश्न
True or false
In a physical change no net energy change is involved.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
State the differences between a physical change and a chemical change.
Tick (√) the correct alternative from the choice given for the following statement
Which one of the following is volatile in nature ?
Fill in the blank.
A change, which alters the composition of a substances, is known as a___________ change.
Give four reasons why the burning of a magnesium ribbon in the air is considered a chemical change.
A change in which matter undergoes a change but the total mass of the substance is unaltered is a ______ change.
Name the following.
The product of the chemical change in keeping a polished iron nail exposed to the atmosphere.
In a solution of salt in water, water is the solute
Gas exists in three states as solid, liquid, and gas.
When solute is dissolved in a solvent it forms a solution.
Which of the following is a physical change?
