Properties of Acids and Bases Acids Bases Taste sourTaste Bitter Turns blue litmus paper redTurns red litmus paper blue Reacts with metalsProduces.

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Presentation transcript:

Properties of Acids and Bases Acids Bases *Taste sour*Taste Bitter *Turns blue litmus paper red*Turns red litmus paper blue *Reacts with metals*Produces Hydroxide ions (OH -) in water *Produces Hydrogen ions (H +) in water*Feels Slippery *Reacts with carbonates to produce CO 2 gas *Conducts electricity when dissolved in water *Doesn’t react with carbonates *Conducts electricity when dissolved in water

Acid, Base, Neutral, or Both (Acid and Base) 1. pH of 7 _________________________________ 2. ammonia _______________________________ 3. react with indicators______________________ 4. produces H + ions ________________________ 5. NaOH or KOH __________________________ 6. turns red litmus paper blue_______________________ 7. conducts electricity _______________________ 8. pH 0 – 6.9 _______________________________ 9. tastes sour_________________________________ 10. pH _______________________________ 11. HCl ____________________________________ 12. produce ions in water _______________________ 13. feels slippery ________________________ 14. reacts with carbonates forming CO 2 gas _______________________ 15. reacts with metals ______________________________

Answers 1. neutral10. both 2. base11. base 3. both12. acid 4. acid13. acid 5. base14. base 6. acid15. both 7. acid 8. base 9. acid

Vocabulary 1. An ________ is a compound that changes color in the presence of an acid or base. 2. This property of an acid can “eat away” certain metals_____________ 3. The ________ is a series of numbers that indicates the concentration of hydrogen ions in a solution. 4. A _______ is an ionic compound that forms from the reaction of an acid and a base.

Vocabulary Continued 5. A _____________ ion is an atom of hydrogen that has lost its electron. 6. __________ and ____________ are formed after the neutralization process. 7. A _____________ ion is a negative ion made of oxygen and hydrogen. 8. ______________ is the reaction between an acid and a base.

Vocabulary Answers 1. indicator 2. corrosive 3. pH scale 4. salt 5. hydrogen 6. salt and water 7. hydroxide 8. Neutralization

pH Scale Range 0 – 14 Acids 0 – 6.9 (lower the number, stronger the acid) Bases 7.1 – 14 (higher the number, stronger the base) Neutral 7

Acid / Base Reactions Acids in water produce? 1. HCl Bases in water produce? 2. NaOH Acids and bases (neutralization) produce? 3. HCl + NaOH

Acid / Base Reaction Answers 1. H + + Cl - 2. Na + + OH - 3. H 2 O + Na + + Cl -