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Standard VII

Chemistry

Physical and Chemical Changes

For making po...

Question

For making potato fries, you slice the potatoes (process $1$ ) and deep fry it in oil (process $2$ ). What type of changes are there in the two processes?

Process

A -

Physical change, Process

B -

Chemical change

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Process

A -

No change, Process

B -

Physical change

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Process

A -

Chemical change, Process

B -

Physical change

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Process

A -

Chemical change, Process

B -

Chemical change

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Solution

The correct option is A Process $A -$ Physical change, Process $B -$ Chemical change
During a physical change, no new substances are formed, whereas in a chemical change, new substances are formed with new chemical composition and properties.

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For making potato fries, you slice the potatoes (process 1) and deep fry it in oil (process 2). What type of changes are the two processes?

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Question 13

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Assertion : Intake of potato chips and french fries may induce cancer development.

Reason : On heating, their carbohydrate changes into a carcinogenic chemical called acrylamide.

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For making potato fries, you slice the potatoes (process 1) and deep fry it in oil (process 2). What type of changes are there in the two processes?

The correct option is A Process A− Physical change, Process B− Chemical changeDuring a physical change, no new substances are formed, whereas in a chemical change, new substances are formed with new chemical composition and properties.

For making potato fries, you slice the potatoes (process $1$ ) and deep fry it in oil (process $2$ ). What type of changes are there in the two processes?

The correct option is A Process $A -$ Physical change, Process $B -$ Chemical change
During a physical change, no new substances are formed, whereas in a chemical change, new substances are formed with new chemical composition and properties.