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Acids and Bases
Question | Answer |
---|---|
When you test a substance with red litmus paper and it turns blue what does it mean. | Its a base |
When you test a substance with blue litmus paper and it turns red what does it mean? | Its an acid |
On the ph scale what does it mean if something is higher than 7 | Its a base |
On the ph scale what does it mean if something is lower than 7 | Its an acid |
If lemon juice had a ph of 1 would it be an acid, base, or neutral | An acid |
if lye had a ph of 14 would it be an acid, base, or neutral | A base |
If water had a ph of 7 would it be an acid, base, or neutral | Neutral |
Acids produce ______ ions (H3O+)when dissolved in water. | hydronium ions |
Bases produce ______ ions (OH-) when dissolved in water. | hydroxide |
Examples of Acids and Bases. | Acids: lemon juice, stomach acid, and hydrochloric acid. Bases: baking soda, ammonia, and calcium hydroxide. |