myabugg0930 myabugg0930

23-10-2017
Chemistry

contestada

Ben and Jerry were testing powders in science lab. First they put the powder in a zip lock bag. Next they added some water. The powder fizzed and bubbled; soon it disappeared. When the bubbling stopped the bag contained a clear liquid and a lot of gas.

What is the MOST OBVIOUS sign of a chemical change in this reaction?

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madisonsmith202 madisonsmith202

23-10-2017

The most obvious one is that when the powder came into contact with the water it fizzed.

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donotreply1 donotreply1

23-10-2017

The powder fizzled and bubbled; soon it disappeared.

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