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प्रश्न
Fill in the blank.
A change, which alters the composition of a substances, is known as a___________ change.
उत्तर
A change, which alters the composition of a substances,iis known as a chemical change.
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संबंधित प्रश्न
Fill in the blank.
Changes that occur in nature are called ........................
Fill in the blank.
A new substance is formed in a ............... change.
True or false
In a physical change no net energy change is involved.
Classify the following as physical or chemical change :
Formation of curd from milk
Fill in the blank.
The process of a liquid changing into a solid is called ________
Name the following.
A form of energy required for a chemical change.
When ice melts to form water, change occurs in its
What is the difference between dissolution of sugar and burning of sugar ?
Give an example of a physical change in which the color of the substance changes.
Give an example to justify the statement that physical changes can be reversible as well as irreversible.
