Type
Crossword
Description

An acid that contains a large number of acid particles in a given volume Concentrated
An acid that contains a small number of H+ particles Weak
A substance that attacks and destroys living tissues such as the skin or the eyes Corrosive
Name of indicator paper Litmus
A substance that is neither acidic or alkaline Neutral
A substance with pH 1 Strong acid
State the pH of a substance that is neutral Seven
Name of the indicator that changes colour depending on pH Universal
A substance with pH 9 Weak alkali
Reaction that takes place when an acid reacts with an alkali Neutralisation
Substance taken to neutralise acid in the stomach Antacid
Gas produced when acids react with metals Hydrogen

Chemical Equations Crossword

Type
Crossword
Description

Chemical reaction that has the same number of atoms before and after the reaction. Balanced Equation
Substance that is neither an acid nor a base: pH 7 Neutral
Chemical equation where the names of the reactants and products are written in words. Word Equation
Name of an entire family of compounds that contain carbon, hydrogen and oxygen. Alcohol
Neutral particle found in atoms. Neutron
Commonly used indicator that turns red in an acid. Litmus Paper
Chemical substance formed in a reaction between an acid and a base; usually a metal and non-metal combination. Salt
Positively charged particle found in atoms. Proton
A group of chemical compounds that taste sour and contains at least one hydrogen atom. Acid
A group of chemicals that taste bitter and are soapy to touch. Base
Base that dissolves in water. Alkali
When an acid and a base react to cancel each other out; the reaction forms a salt and water. Neutralisation React
Scale that gives the relative acidity or alkalinity of a solution; ranges from 0-14. pH
Negatively charged particle found in atoms. Electron
Substance that changes colour in the presence of an acid or base. Indicator

Acid and Bases Crossword

Type
Crossword
Description

A molecule or other entity that can donate a proton or accept an electron pair in reactions. Acid
Are substances that, in aqueous solution, are slippery to the touch, taste bitter, change the color of indicators. Base
A chemical compound that neutralizes or effervesces with acids and turns litmus blue; typically. Alkaline
A solution that is neither acidic nor alkaline, such as pure water. Neutral
A numeric scale used to specify the acidity or basicity of an aqueous solution. pH
A measure of acidity or alkalinity of water soluble substances. pH Scale
The ion H3O+, consisting of a protonated water molecule and present in all aqueous acids. hydronium ion
The monovalent anion OH− consisting of one atom of hydrogen and one of oxygen. Hydroxide ion
Is a chemical reaction in which an acid and a base react quantitatively with each other. Neutralization
Any chemical compound formed from the reaction of an acid with a base, with all or part of the hydrogen of the acid replaced by a metal or other cation. Salt
A solution that resists changes in pH when acid or alkali is added to it. Buffers typically involve a weak acid or alkali together with one of its salts. Buffer
Any substance that gives a visible sign, usually by a colour change, of the presence or absence of a threshold concentration of a chemical species, such as an acid or an alkali in a solution. Indicator

Acids and Alkali Crossword

Type
Crossword
Description

The have a pH of less than 7 Acids
The have a pH above 7 Alkalis
Water is ______ because it has a pH of 7 Neutral
We can use an __________ to find out if something is acid or alkaline indicator
we can use a _______ ___________ to find out HOW acidic or alkaline a solution is Universal indicator
Red litmus paper turns _______ when added to alkalis Blue
Blue litmus paper turns ____ when added to acids Red
Acids taste _____ sour
A concentrated solution of acid is _____ corrosive than a dilute solution more
A concentrated solution has _____ acid particles per litre than a dilute solution fewer
Washing-up liquid is an example of an alkali
Which is more acidic, milk or stomach acid? stomach acid
The colour of universal indicator at pH 7 Green
This flower goes pink/ red in acid and dark green in alkali solution Hibiscus

Acids and Bases Crossword

Type
Crossword
Description

A substance that can donate hydrogen ions (H+). Acid
A substance that can accept hydrogen ions because it has an hydroxide ion (-OH). Base
Chemicals that change colors in the presence of hydrogen and/or hydroxide ions. Indicators
A common used indicator to determine the pH of acids and/or bases. Litmus Paper
What a substance is considered if it has a pH of 7. Neutral
A measure of how acidic or alkaline a substance is. pH
The reaction of an acid with a base to produce a salt and water. Neutralization
A base can also be defined as a proton... Acceptor
A acid can also be defined as a proton... Donor
How a base feels. Slippery
How a acid tastes. Sour
How a base tastes. Bitter
To break down. Emulsify
A scale in which numbers 0-14 are used to determine the pH of a substance. pH Scale
How a acid feels. Sting
What acids/bases do in substances in solutions to produce either hydrogen or hydroxide(depending on substance). Ionize
The ion found in a acid. Hydrogen
The ion found in a base. Hydroxide
The word used when acids reacts with active metals. Corrode
The process by which a precipitate forms. Precipitation

Acids and Bases Crossword

Type
Crossword
Description

A basic solution. Alkaline solution
Potential of Hydrogen pH
An Acid that is completely ionized in aqueous solution Strong Acid
An Acid that is only slightly ionized in aqueous solution Weak Acid
A solution of known concentration used in carrying out a titration Standard Solution
Process used to determine the concentration of the solution Tritration
A base that reacts with water to form the hydroxide ion and the conjugate acid of the base Weak Base
A base that completely dissociates into metal ions and hydroxide ions in aqueous solution Strong Base
Neutral Seven
Any substance that can accept a pair of electrons to form a covalent bond Lewis Acid
Any substance that can donate a pair of electrons to form a covalent bond Lewis Base
The positive ion formed when a water molecule gains a hydrogen ion. Hydronium Ion
The particle formed when a base gains a hydrogen ion. Conjugate Acid
A compound that has a pH of less then 7. Acid
A compound that has a pH more than 7. Base
Able to be dissolved in a solute. Soluable
A chemical reaction between an acid and a base that produces water and a salt. Neutralization
A substance that changes colors to indicate a change in the pH. Indicator
Negative log of the concentration of hydroxide ion. pOH
The point in the titration at which the indicator changes colors. End Point
What is the pH of Lakes normally 7
Used to cure heartburn. Antacid
Any process that results in the formation of an ion. Ionization
A molecule or ion that is a proton donor Bronsted Lowery Acid
An ionic compound composed of a cation and the anion from an acid. Salt

Acids and Bases Crossword

Type
Crossword
Description

a scale that determines how acidic or basic a solution is pH scale
chemicals that change colors when put in an acid or base to determine what it is Indicator
a substance that can donate hydrogen ions Acids
a substance that can accept hydrogen ions because it has a hydroxide ion base
a solution that isn't an acid or a base neutral
an indicator that turns red in an acidic solution litmus paper
the process of turning an acid more basic and a base more acidic neutralization
a liquid mixture that could be defined as an acid or base solution
pH stands for potential.... hydrogen
a basic solution used to clean drains draincleaner
an acidic solution that comes from lemons lemonjuice
a proton is a hydrogen ion so acids are often called... protondonor
since the hydroxide ion in a base can combine with a hydrogen ion, bases are often called... proton accepter
an acid with a pH of 1 strongacid
an acid with a pH of 6 weakacid
a base with a pH of 14 strongbase
a base with a pH of 8 weakbase
an acid can donate these ions hydrogenions
bases have these ions hydroxideions
the processby which a precipitate forms precipitation

Chapter 6 - Acids, Bases, and Solutions Crossword

Type
Crossword
Description

A mixture containing a solvent and at least one solute that has the same properties throughout; a mixture in which one substance is dissolved in another. Solution
The part of a solution that is usually present in the largest amount and dissolves a solute. Solvent
The part of a solution that is dissolved by a solvent. Solute
A mixture containing small, undissolved particles that do not settle out. Colloid
A mixture in which particles can be seen and easily separated by settling or filtration. Suspension
A mixture that has only a little solute dissolved in it. Dilute Solution
A mixture that has a lot of solute dissolved in it. Concentrated Solution
A measure of how much solute can dissolve in a given solvent at a given temperature. Solubility
A mixture that contains as much dissolved solute as is possible at a given temperature. Saturated Solution
A substance that tastes sour, reacts with metals and carbonates and turns blue litmus red. Acid
The gradual wearing away of a metal element due to a chemical reaction. Corrosive
A compound that changes color in the presence of an acid or a base. Indicator
A substance that tastes bitter, feels slippery, and turns red litmus paper blue. Base
A positively charged ion formed of a hydrogen atom that has lost it electron. Hydrogen Ion
A negatively charged ion made of oxygen and hydrogen Hydroxide Ion
A range of values used to indicate how acidic or basic a substance is; expresses the concentration of hydrogen ions in a solution. pH Scale
A reaction of an acid with a base, yielding a solution that is not as acidic or basic as the starting solutions were. Neutralization
An ionic compound made from the neutralization of an acid with a base. Salt

acid and base Crossword

Type
Crossword
Description

A Bronsted-Lowry base is defined as: Proton acceptor
A bottle of hydrochloric acid contains a hazard symbol, what is the hazard symbol Corrosive
What type of taste will bases generally have? Bitter
What gas is produced when hydrochloric acid reacts with calcium carbonate? Carbon dioxide
The acid responsible for putting the fizz in fizzy drinks is Carbonic acid
What solution will turn red litmus blue? NaOH
This is the acid found in your stomach. Hydrochloric acid
A soil sample is tested for its pH, and is found to have a value of 5.5. What substance is best added to the soil in order to neutralise it? Lime
What apparatus would you NOT use in a titration? Gas jar
If air is bubbled slowly through water, the pH of the water changes from 7 to 5.7. What gas in the air is responsible for this? Carbon dioxide
The process by which an acid reacts with a base to produce salt and water is called Neutralisation
If a mechanic wants to test the strength of the acid in a car battery, which one of the following would give the best result? Universal indicator
When there are loads of particles of a substance mixed in with the water particles Concentrated
Something that is neither acidic nor alkaline but in the middle Neutral
When particles of something are mixed in with the particles of a liquid to make a solution Dissolved
When atoms in chemicals swap places with each other to make new chemicals Reaction
A family of chemicals with a pH of more than 7 Base
A family of chemicals with a pH of less than 7 Acid
when a solution is not concentrated so it has not got many particles mixed in with the water particles Weak

Acids and Bases Crossword

Type
Crossword
Description

a water-soluble cleansing agent that combines with impurities and dirt to make them more soluble and differs from soap in not forming a scum with the salts in hard water detergent
a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind acid
any substance that gives a visible sign, usually by a colour change, of the presence or absence of a threshold concentration of a chemical species, such as an acid or an alkali in a solution indicator
a chemical compound that conducts electricity by changing into ions when melted or dissolved into a solution electrolyte
are substances that, in aqueous solution, are slippery to the touch, taste astringent, change the color of indicators Base
a chemical liquid that destroys bacteria disinfectant
clean and sterilize bleach
is a chemical reaction in which an acid and a base react quantitatively with each other neutralization reaction
a substance used with water for washing and cleaning, made of a compound of natural oils soap
value is a number from 1 to 14, with 7 as the middle (neutral) point pH scale
a white crystalline substance that gives seawater its characteristic taste salt
A substance, such as sodium bicarbonate, that neutralizes acid antacid
is a measure of hydrogen ion concentration pH

Acid-Base Matching Worksheet

Type
Matching Worksheet
Description

Why is ammonia not considered a base under Arrhenius definition Direct reaction with hydrogen
What is acidic hydrogen Hydrogen that produce + ions
Why are strong acids and bases good electrolytes They completely dissopate
What kind of salt is produced whena strong acid and base react Neutral Salt
What type of salt is made when a weak base or acid reacts with a strong base or acid Acidic/ Basic salt
Why do people use antacid To neutralize stomach acids
Why does a small change in pH mean a big change in acidity Because pH is in logs
What is the Arrhenius definition of a base Dissocates to hydroxide ions
What is an Arrhhenius acid dissocates to Hydrogen ions
Water haas a pH of 7 what does this mean It is neutral
The pH scale increases from 1-14 , which represents acids 1-7
A very strong base turns litmus paper Blue
What has a low Kb value Acids
What has a low Ka value Bases