Copper Chloride and Aluminum
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Questions and Answers

Which color did the blue liquid turn into when aluminum foil was placed into the copper chloride solution?

  • Yellow
  • Green
  • Brown (correct)
  • Red

Which property of the aluminum foil seemed to change when it was placed into the copper chloride solution?

  • It became softer
  • It dissolved completely (correct)
  • It changed color
  • It became harder

What substance was left behind after the aluminum foil was placed into the copper chloride solution?

  • Yellow liquid
  • White powder
  • Reddish-brown flakey substance (correct)
  • Green gas

What happened to the solution when the aluminum foil was placed into the copper chloride solution?

<p>It started to bubble over and spill out (B)</p> Signup and view all the answers

Why might a scientist need to use more than one property to identify a substance?

<p>Some properties may be the same but there must be at least one different property (B)</p> Signup and view all the answers

What color did the blue liquid turn into when aluminum foil was placed into the copper chloride solution?

<p>Brown (A)</p> Signup and view all the answers

What happened to the temperature of the solution when aluminum foil was placed into the copper chloride solution?

<p>It increased (D)</p> Signup and view all the answers

What was the observation regarding the aluminum foil when it was placed into the copper chloride solution?

<p>It turned into a reddish-brown flakey substance (D)</p> Signup and view all the answers

What was the observation regarding the bubbles and steam when aluminum foil was placed into the copper chloride solution?

<p>Both bubbles and steam were observed (B)</p> Signup and view all the answers

What was the observation regarding the solution when aluminum foil was placed into the copper chloride solution?

<p>It started to bubble over and spill out over the beaker (C)</p> Signup and view all the answers

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