The change from liquid to solid, or the reverse of melting, is calleda. condensation.

b. boiling.

c. sublimation.

d. freezing.

How does a soap made from sodium hydroxide differ from a soap made from potassium hydroxide?

Weathering, erosion, pressing and cementing form what type of rock?

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1. Which of the following two ingredients can combine to make a compound? a. Salt and water b. Hydrogen and oxygen c. Eggs and butter d. Sugar and water 2.

Does pressure decrease when a gas is removed

This is the ability of matter to change into a different substance.

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The amount of time it takes for one-half of the original amount of an isotope to decay is known as its

If enough heat is added to a substance, electrons begin to separate from the atomic nuclei. Which process does this describe? A. A solid turning into a liquid B. A plasma turning into a gas C. A gas turning into a plasma D.