8G Science HW#15: Chapter 3.3 and 3.4

An atom of hydrogen that has lost an electron is called _____.

• Hydrogen ion

• Hydroxide ion

• pH scale

• Acid rain

A negative ion that is made up of hydrogen and oxygen is called _____.

• Hydrogen ion

• Hydroxide ion

• pH scale

• Acid rain

A scale which shows the concentration of hydrogen ions in a solution is called _____.

• Hydrogen ion

• Hydroxide ion

• pH

• Acid rain

A type of rain that is corrosive and gets its extra acidity from nitrogen oxides and sulfur oxides is called _____.

• Snow Grains

• Hail

• Ice pellets

• Acid rain

When an acid and a base react to form water and a salt and involves the combination of H+ ions and OH- ions to generate water is called ____.

• Neutralization

• Digestion

• Mechanical digestion

• Chemical digestion

The process where large food molecules are changed into smaller ones is called ____.

• Neutralization

• Digestion

• Mechanical digestion

• Chemical digestion

The physical process that tears, grinds, and mashes large food particles into smaller ones is called ____.

• Neutralization

• Digestion

• Mechanical digestion

• Chemical digestion

The process that breaks large food molecules into smaller molecules is called ____.

• Neutralization

• Digestion

• Mechanical digestion

• Chemical digestion

TRUE OR FALSE:

A neutralization reaction produces water and salt.

• TRUE

• FALSE

TRUE OR FALSE:

A pH is higher then 7 is acidic.

• TRUE

• FALSE