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Acid and Bases Test

QuestionAnswer
Synthesis 2 or more reactants combine to form 1 product
Decomposition 1 reactant breaks down into 2 or more products
Single Displacement A single element replaces another in a compound
Double Displacement parts of two compounds switch places. Positive ions pair with negative ions.
Combustion Reactions with oxygen to produce oxides and energy. For example: the combustion of hydrocarbons like methane
Properties of Acids taste sour, corrosive (react w/ metals to produce hydrogen gas), release hydrogen ions (H+), good conductors of electricity
Examples of Acids acetic (in vinegar), citric, carbonic (soft drinks), hydrochloric acids (digestive system)
Binary acids (hydrogen + single element) called hydro___ic acids
Oxyacids (hydrogen + polyatomic ion) called _____ic acids if the name of the ion ends in -ate and ____ous acids if the name of the ion ends in -ite
Properties of Bases taste bitter, feels slippery, corrosive (break down proteins), release hydroxide ions (OH-) in solution, are electrolytes (their solutions are good conductors of electricity)
Blue litmus paper turns red in acid and remains blue in neutral or alkaline (basic) solutions
Red litmus paper turns blue in a base and remains red in neutral or acidic solutions
pH the strength of an acid or base may be measured on the pH scale
pH scale the scale runs from 0 to 14
Neutral solutions have a pH of 7
Example of neutral solutions water
acidic solutions have a pH of less than 7
example of acidic solutions citrus acid
the closer the pH to 7... the weaker the acid
basic or alkaline solution has a pH greater than 7
Neutralization (acid +base reaction) the H+ ions from the acid can combine with the OH- ions from the base
Neutralization reaction the reaction of an acid and a base to produce a salt (ionic compound) and water
Acid-base neutralization reactions are a specific type of ________ _________ reactions double displacement
Acid Precipitation any precipitation (rain, snow, fog) that has become acidic from reacting with compounds (i.e. SO2, NOx) in the atmosphere. Has a pH less than 5.6 ( the normal pH of rain)
Created by: twarakag
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