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Match each of the following terms to its definition:
Acid Ion Litmus paper
PH scale Neutral solution Base
1. __________ - a sour substance that can react with metals and turns bluelitmus paper red; when placed in water, acids release hydrogen ions intothe water
2. __________ - a type of bitter substance that releases hydroxide ions inwater and turns red litmus paper blue; bases often have a slippery feel andstrong bases can burn your skin
3. __________ - negatively or positively charged atoms
4. __________ - thin strips of red or blue paper used to determine if asolution is acidic or basic
5. __________ - a solution that has a pH of 7; it is not an acid or a base
6. __________ - a numerical scale used to measure the amount ofhydrogen ions there are in a solution; a scale which measures the acidityand alkalinity of a substance
Acids and bases
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ANSWER KEY
© Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies fornon-commercial educational purposes only. Visit us at www.NewPathWorksheets.com
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Match each of the following terms to its definition:
Acid Ion Litmus paper
PH scale Neutral solution Base
1. Acid - a sour substance that can react with metals and turns blue litmuspaper red; when placed in water, acids release hydrogen ions into the water
2. Base - a type of bitter substance that releases hydroxide ions in waterand turns red litmus paper blue; bases often have a slippery feel and strongbases can burn your skin
3. Ion - negatively or positively charged atoms
4. Litmus paper - thin strips of red or blue paper used to determine if asolution is acidic or basic
5. Neutral solution - a solution that has a pH of 7; it is not an acid or abase
6. PH scale - a numerical scale used to measure the amount of hydrogenions there are in a solution; a scale which measures the acidity andalkalinity of a substance
Acids and bases
Please or to download
the printable version of this worksheet
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