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प्रश्न
Fill in the blank.
A change, which alters the composition of a substances, is known as a___________ change.
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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.
Heat is .................... by a gas during the process of condensation.
State the various conditions that favour the process of evaporation.
Fill in the blank
Heat is ________ by a gas during the process of condensation.
Classify the Following as a Physical Or a Chemical change.
Glowing of an Electric Bulb
Fill in the blank with the appropriate word of the statement given below:
Germination of seeds is considered a __________ change.
Give the reason why the following is considered as chemical changes.
Sulphur when burnt in air evolves a gaseous acidic product.
When ice melts to form water, change occurs in its
Filling up a balloon with hot air is a _______ change.
Give an example to justify the statement that physical changes can be reversible as well as irreversible.
