VI. Fill in the blanks: -
1. The amount of matter present in an object or thing is known as
2. A change in which no new substance is formed is called as
3. The smallest unit of a substance that exists by itself in nature is
4. The clear liquid after the sedimentation we get is called as
Answers
Answer:
1. the amount of matter present in an object or things is known as mass
2. a change in which no new substance is formed is called as physical change
3. the smallest unit of a substance that exists by itself in nature is molecule
4. the clear liquid after the sedimentation we get is called as supernatant liquid
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Answer:
1 )Mass: mass is a fundamental property of any body that signifies the amount of matter present in that particular body. ... From the explanation mentioned above, we can say that the quantity of matter present in an object is called its mass.
2 )A change in which a substance undergoes a change in its physical properties is called a physical change. A physical change is generally reversible. In such a change no new substance is formed.
3 )The smallest unit of matter that exists freely in nature is called molecule.
4 )The clear liquid above the sediment is called supernatant. ... This process of shifting clear liquid from the container without disturbing the sediment is called decantation.