1) BLOWING A BALOON IS REVERSIBLE OR IRREVERSIBLE CHANGES a) REVERSIBLE b) IRREVERSIBLE c) NO CHANGE 2) RUSTING OF IRON IS AN EXAMPLE OF a) REVERSIBLE b) IRREVERSIBLE c) NO CHANGES OCCUR 3) Can we make a jelly change back to a liquid a) Yes by heating b) No changes by heating 4) DOES A NEW SUBSTANCE WHEN WE BOIL AN EGG a) No new substance is formed b) New substance is formed c) No Changes is formed 5) ________ makes substance change a) Heat b) cold

REVERSIBLE AND IRREVERSIBLE CHANGES

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