We call a system as a closed one when it 1 Has no proper order 2 Excha...........

Science Affairs Chemistry

We call a system as a closed one, when it

1) Has no proper order

2) Exchange materials with surroundings

3) Does not exchange materials with the surroundings

4) Is constantly changing in composition

Which of the statements above is/are correct?

1 and 4

3 only

1 and 3

2 and 4

We call a system as a closed one, when it Does not exchange materials with the surroundings

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