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प्रश्न
A change in which matter undergoes a change but the total mass of the substance is unaltered is a ______ change.
विकल्प
physical
chemical
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उत्तर
A change in which matter undergoes a change but the total mass of the substance is unaltered is a physical change.
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संबंधित प्रश्न
Make a list of different types of changes with example.
State one instance where water undergoes a physical change and one in which it undergoes a chemical change.
Give the main differences between physical changes and chemical changes.
Given reason:
Burning of paper is a chemical change.
What will you take into account while identifying the following?
A physical change in a substance.
Differentiate between a physical change and a chemical change with reference to – Energy change taking place during the respective change.
State why addition of sodium chloride to water is considered a physical change, while addition of dilute sulphuric acid to zinc is considered a chemical change.
Natural changes which take place in nature on their own, are beyond the control of human being.
Water is known as a universal solvent. Why?
A physical change is generally____________.
