Chemistry Chapter 7: Acids and Bases
Exam Questions with Complete
Solutions
Acids and bases - Answer-the chemicals all around us
Hydronyium ions - Answer-indicator of acids
How to tell if it is an acid - Answer-sour
turns red
react with active metals to release hydrogen gas
react with bases to form water and salt
how to tell if it is a base - Answer-bitter
turns blue
feels slippery
reacts with acids to form water and salt
example of acids: - Answer-vinegar, vitamin c., battery acid
example of bases: - Answer-drain cleaner, baking soda, antacids
How to make something taste sweet? - Answer-combo of acid and base and geometry
to fit taste receptors of taste buds
should you taste to tell if acid or base? - Answer-No! some poisonous and others quite
corrosive;
Name of common acid-base test - Answer-litmus test- blue basic
Who propsed theory that acids, bases, salts in water are composed of ions? - Answer-
Swedish chemist Svante Arrhenius
ionize - Answer-when parts separate into ions
amino acid - Answer-contains both COOH (acidic) and NH2 (basic)
smallest amino acid - Answer-Glycine H2NCH2COOH
Sulfuric acid - Answer-H2SO4 Strong acid
Hydrocholoric Acid - Answer-HCL strong acid
, Phosphoric Acid - Answer-H3PO4 moderate acid
Lactoc acid - Answer-CH3CHOHCOOH weak acid
Acetic Acid - Answer-CH3COOH weak acid
Boric Acid - Answer-H3BO3 very weak
Hydrocyanic acid - Answer-HCN very weak
What is sulfuric acid used for? - Answer-Battery acid, ore processing, fertilizer
manufacturing, oil refining
What is hydrochloric acid used for? - Answer-cleaning metals and bricks, removing
scale from boilers
What is phosphoric acid used for? - Answer-Used in colas and rust removers
What is lactic acid used for? - Answer-Yogurt, acidulant (food additive to increase
tartness), lotion additive
What is acetic acid used for? - Answer-vinegar; acidulant
what is boric acid used for? - Answer-antiseptic eyewash, roach poison
What is hydrocyanic acid used for? - Answer-Plastic manufacture; extremely toxic
What is the arrhenius theory - Answer-base releases hydroxide ions in aqueous
solutions
ionic solids that contain OH release hydroxide ions into soultion when dissolved in
water.
Sodium hydroxide - Answer-NaOH strong
Potassium hydroxide - Answer-KOH strong
Lithium hydroxide - Answer-LiOH strong
Calcium Hydroxide - Answer-CAOH2 strong
Magnesium hydroxide - Answer-MGOH1 strong
Ammonia - Answer-NH3 weak
What is sodium hydroxide used for? - Answer-Acid neutralization, soap making
Exam Questions with Complete
Solutions
Acids and bases - Answer-the chemicals all around us
Hydronyium ions - Answer-indicator of acids
How to tell if it is an acid - Answer-sour
turns red
react with active metals to release hydrogen gas
react with bases to form water and salt
how to tell if it is a base - Answer-bitter
turns blue
feels slippery
reacts with acids to form water and salt
example of acids: - Answer-vinegar, vitamin c., battery acid
example of bases: - Answer-drain cleaner, baking soda, antacids
How to make something taste sweet? - Answer-combo of acid and base and geometry
to fit taste receptors of taste buds
should you taste to tell if acid or base? - Answer-No! some poisonous and others quite
corrosive;
Name of common acid-base test - Answer-litmus test- blue basic
Who propsed theory that acids, bases, salts in water are composed of ions? - Answer-
Swedish chemist Svante Arrhenius
ionize - Answer-when parts separate into ions
amino acid - Answer-contains both COOH (acidic) and NH2 (basic)
smallest amino acid - Answer-Glycine H2NCH2COOH
Sulfuric acid - Answer-H2SO4 Strong acid
Hydrocholoric Acid - Answer-HCL strong acid
, Phosphoric Acid - Answer-H3PO4 moderate acid
Lactoc acid - Answer-CH3CHOHCOOH weak acid
Acetic Acid - Answer-CH3COOH weak acid
Boric Acid - Answer-H3BO3 very weak
Hydrocyanic acid - Answer-HCN very weak
What is sulfuric acid used for? - Answer-Battery acid, ore processing, fertilizer
manufacturing, oil refining
What is hydrochloric acid used for? - Answer-cleaning metals and bricks, removing
scale from boilers
What is phosphoric acid used for? - Answer-Used in colas and rust removers
What is lactic acid used for? - Answer-Yogurt, acidulant (food additive to increase
tartness), lotion additive
What is acetic acid used for? - Answer-vinegar; acidulant
what is boric acid used for? - Answer-antiseptic eyewash, roach poison
What is hydrocyanic acid used for? - Answer-Plastic manufacture; extremely toxic
What is the arrhenius theory - Answer-base releases hydroxide ions in aqueous
solutions
ionic solids that contain OH release hydroxide ions into soultion when dissolved in
water.
Sodium hydroxide - Answer-NaOH strong
Potassium hydroxide - Answer-KOH strong
Lithium hydroxide - Answer-LiOH strong
Calcium Hydroxide - Answer-CAOH2 strong
Magnesium hydroxide - Answer-MGOH1 strong
Ammonia - Answer-NH3 weak
What is sodium hydroxide used for? - Answer-Acid neutralization, soap making
