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Subject :NSO    Class : Class 6

A potter shapes pots out of clay (Process 1). He then bakes the pots in an oven (Process 2). Which of the following statements is correct?

A Process 1 is a reversible, physical change while process 2 is an irreversible, physical change.
B Process 1 is an irreversible, physical change while process 2 is an irreversible, chemical change.
C Process 1 is a reversible, physical change while process 2 is an irreversible, chemical change.
D None of these.


Is it A or C?

Ans 1:

Class : Class 6
answer is a

Ans 2:

Class : Class 6
on heating, the clay pot doesn't turn into stone,right?it doesn't change composition once heated , it is still clay ! answer is "A"

Ans 3:

Class : Class 6
A is the correct answer

Ans 4:

Class : Class 6
The answer is A.

Ans 5:

Class : Class 6
a is the correct answer because chemical composition dose not change

Ans 6:

Class : Class 6
C because we can get clay back from a wet pot by smashing it,but once it heats up, it dries the clay and makes it stone hard.

Ans 7:

Class : Class 7
c is the correct answer

Ans 8:

Class : Class 6

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