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Solved CBSE Class 7 Science Chapter 6 Assertion and Reason Questions – Physical and Chemical Changes. Here we (Net Explanations) working very hard to providing you with the Important Assertion Reason Questions for this Chapter.
Assertion and Reason Questions Class 7 Science Chapter 6 Physical and Chemical Changes
1.) Assertion when the properties change its shape , size , colour and state of a substance called its physical properties.
Reason- when any substance under foes a change is known as physical change.
a) Assertion and reason both are correct statement and reason is correct explanation for assertion.
b) Assertion and reason both are correct statement and reason is not correct explanation for assertion.
c) Assertion is correct statement but reason is wrong statement.
d) Assertion is wrong statement but reason is correct statement.
Ans- option A
2.) Assertion- carbon dioxide + lime water gives calcium carbonate + water.
Reason- the change in which one or more new substances are formed is called a physical change.
a) Assertion and reason both are correct statement and reason is correct explanation forassertion.
b) Assertion and reason both are correct statement and reason is not correct explanationfor assertion.
c) Assertion is correct statement but reason is wrong statement.
d) Assertion is wrong statement but reason is correct statement.
Ans- option C
3.) Assertion- the rusting of iron or other metal can be prevent through galvanisation.
Reason- the depositing a layer of zinc on iron is used to prevent rusting.
a) Assertion and reason both are correct statement and reason is correct explanation for assertion.
b) Assertion and reason both are correct statement and reason is not correct explanation for assertion.
c) Assertion is correct statement but reason is wrong statement.
d) Assertion is wrong statement but reason is correct statement.
Ans- option A
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