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ACID- BASE

PRESENTATION ABOUT ACID-BASE

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ACID- BASE

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  1. Submitted By: Kajal Chawla Submitted To: Ms. Rajdeep Kaur PEDAGOGY OF SCIENCE

  2. ACIDS AND BASES

  3. ACIDS • Sour in taste • Produce H+ ions in soution • pH less than 7 • Good conductors of electricity • Neutralizes bases • Turns blue litmus red

  4. Examples of Acids

  5. STRONG ACIDS A Strong Acid break down completely in water and give off many H+ ions.

  6. WEAK ACIDS A Weak Acid breakdown partially. It gives off much less H+ than a Strong Acid.

  7. BASES • Bitter in taste • Produce OH- ions in solution • pH greater than 7 • Feels slippery • Neutralizes acids • Turns red litmus blue

  8. Examples of Bases • Detergent • Baking Soda • Soaps • Antacid • Chalks • Drain Cleaner

  9. STRONG BASE A Strong base completely ionizes in water and produce a large amount of OH- ions.

  10. WEAK BASE A Weak Base is partially ionized in Water and produce small amount of OH- ions.

  11. pH scale

  12. ACID-BASE INDICATOR Acid-Base Indicator are substances which changes colour with pH.Litmus solution and stripes are most commonly used ones. Litmus is a plant extract that can be red or blue

  13. ACID-BASE INDICATOR

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