Chemical Reactions - Review | Baamboozle - Baamboozle

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15

True or False? During a chemical reactions, the atoms are simply rearranged into new combinations.

True

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15

True or False? Phase change is an evidence of a chemical reaction.

False

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15

True or False? During a chemical reaction, no atoms are lost and no new atoms are produced.

True

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15

Corrosive substances that eats away and erodes other materials. (e.g. Sulfuric *****)

Acids

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Some substances can neutralize acids and are thought of as the opposite of acids.

Bases

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What evidences suggest a chemical reaction has taken place? (Two)

Color Change; Gas Released; Smells; Precipitate Forms; Temperature Change

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15

pH can be tested with a substance called an ..............

Indicator

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15

Bases that dissolves in water.

Alkalis

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The list of metals reactivity is called ...................

The reactivity series.

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True or False? Many chemical reactions require energy or release it. This causes the temperature to decrease or increase

True

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Type of reaction, which requires more energy to be supplied than it releases. (Absorb heat energy)

Endothermic

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A reaction in which chemical bonds are broken or formed.

Chemical Reaction

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Substance formed when an acid is neutralized by a base or alkali.

Salt

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