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ECMS Chapter 4.2
Chapter 4 Section: 3, 4, & 5 Vocabulary
Question | Answer |
---|---|
The way in which acids react with some metals so as to eat away at the metal. | Corrosive |
A range of values used to espress the concentration of hydrogen ions in a solution | pH Scale |
A substance that tastes bitter, feels slippery, and turns red litmus paper blue | Base |
A compound that changes color in the presence of an acid or base | Indicator |
A substance that tastes sour, reacts with metals and carbonates, and turns blue litmus paper red. | Acid |
An ionic compound made from the neutralization of an acid with a base | Salt |
A reaction of an acid with a base yielding a solution that is not as acidic or basic as it started | Neutralization |
A negatively charges ions made of oxygen and hydrogen | Hydroxide Ion |
The process that breaks down complex molecules of food into small molecules | Digestion |
A positively charged ion formed of a hydrogen atom that has lost an electron | Hydrogen Ion |
The process that breaks large molecules of food into smaller molecules | Chemical Digestion |
The physical process that tears, grinds, and mashes large pieces of food into smaller ones | Mechanical Digestion |