Question

please help me yaar ​

Answer 1

Answer:

1)true

2)true

3)true

4)false

5)true

6)false

7)true

8) true

9)true

here is your answer

Answer 2

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1.Cutting an apple is a chemical change. true

2. Breaking of glass is an irreversible change.true

3. New products are formed during melting of ice.false

4. Tearing of paper is a physical and reversible change.false

5. A change in which a new substance is formed is called a chemical change. true

6. Rusting of iron is an irreversible and chemical change.true

7. Burning of wood is a chemical change as it gives rise to new products.true

8.Mercury level rises in a thermometer when it is brought

in contact with a hot object.true

9. Air contracts on heating and expands on cooling.true