March 29, 2015

Homework Help: science

Posted by NIKE on Tuesday, April 17, 2012 at 1:33pm.

1. The ability of an apple to change color when exposed to air is a ____.
(1 point)physical property
chemical property
physical change
chemical change

2. Which of the following is NOT a possible sign of a physical change? (1 point)a change in appearance
a change in volume
the release of energy
a change in color

3. When a chunk of dry ice is at room temperature, a cloud of carbon dioxide vapor forms. The carbon dioxide is changing from a ____. (1 point)solid to a liquid
solid to a gas
liquid to plasma
liquid to a gas

4. A solution that contains all the solute it can hold under the given conditions is ____. (1 point)saturated

5. Which of the following properties is NOT characteristic of acidic solutions? (1 point)has a sour taste
conducts electricity
feels slippery
is corrosive to certain metals

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