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25
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how do you prepare your safety before you do combustion reactions? (mention 2)
wearing googles, using fume hood, wearing lab coat, tying hair, not pointing test tube at anyone during heating,
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25
×
general word equation for reaction of metal and acid.
metal + acid ---> salt + hydrogen
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25
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word equation for copper oxide reacts with sulfuric acid is
copper oxide + sulfuric acid ---> copper sulfate + water
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25
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word equation for zinc reacts with sulfuric acid is
zinc + sulfuric acid ---> zinc sulfate + hydrogen
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25
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the word equation of magnesium and oxygen is
magnesium + oxygen ---> magnesium oxide
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25
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the word equation of sulfur reacts with oxygen is
sulfur + oxygen ---> sulfur dioxide
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25
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the word equation of magnesium reacts with hydrochloric acid
magnesium + hydrochloric acid ---> magnesium chloride + hydrogen
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5
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when carbon reacts with oxygen, the product is
carbon dioxide
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5
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other word of combustion
burning, firing, igniting,
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monster
Reset all scores!
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seesaw
Swap points!
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rocket
Go to first place!
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thief
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25
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general word equation for neutralization.
base + acid ----> salt + water
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20
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3 signs of chemical reactions are taking place
give off heat, give off gas, precipitate, color change, give off smell, pH change, the process is not reversible
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10
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combustion reactions are examples of .... because they change chemical substances by the addition of ....
oxidation; oxygen
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heart
Other team wins 15 points!
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gold
Win 50 points!
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gift
Win 25 points!
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baam
Lose 15 points!
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lifesaver
Give 15 points!
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shark
Other team loses 5 points!
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rocket
Go to first place!
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thief
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5
×
when elements burn in the air, they react with oxygen and produce compounds called...
oxides
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