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Science Test 4/19/16
This is to help you study for the science test on Tuesday the 19th of April
Question | Answer |
---|---|
What type or types of matter are Acids? | Compounds |
What is the taste of an acid? | Sour |
What do acids react with? | Metals, carbonates, bases, and indicators |
What happens to blue litmus paper when in the presence of an acid? | It turns red |
what does corrosive mean? | Eating away at other materials |
What type of ion makes acid reactive? | Hydrogen ion or H+ |
What does a hydrogen ion look like? | An atom of hydrogen that lost its electron or a proton |
What is the taste of a base? | Bitter |
How a base react with red litmus paper? | It turns it blue |
How do bases and acids differ in water solutions? | Acid forms a hydrogen ion and a base forms a hydroxide ion |
What ion do bases form in water? | Hydroxide or OH- |
What ion do acids form in water? | Hydrogen or H+ |
The concentration of hydrogen ions is measured on what? | The pH scale |
What will a strong acid have that a weak acid won't? | A low pH |
What is the reaction called between an acid and a base? | Neutralization |
What is the process of breaking down large food molecules into smaller ones called? | Chemical digestion |
What are the products of neutralization reaction? | Water and salt |
What does a hydroxide ion look like? | OH- |
What is the universal solvent? | Water |
What is the charge and mass of a proton? | + charge and mass of 1 |
What is the charge and mass of a neutron? | 0 charge and mass of 1 |
What numbers do acids range from? | 0, 1, 2, 3, 4, 5, and 6 |
What numbers to bases range from? | 8, 9, 10, 11, 12, 13 and 14 |
What number is neutral? | 7 |
Is water neutral? | Yes |
What is water's pH? | 7 |
What number is the strongest acid? | 0 |
What number is the strongest base? | 14 |
If a substance has a pH of 13 what would it be classified as? | Strong Base |
If a substance has a pH of 6 what would it be classified as? | Weak acid |
If a substance has a pH of 7 what would it be classified as? | Neutral |