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7E Acids and Alkalis

7E Acids and Alkalis. Curing indigestion. Objective. To explain which cure for indigestion works the best and why. What is indigestion?. Possible cures. 1. 2. 3. What the cures claim?. All three cures claim to be the best All three are alkalis

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7E Acids and Alkalis

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  1. 7E Acids and Alkalis Curing indigestion Howden School and Technology College

  2. Objective • To explain which cure for indigestion works the best and why Howden School and Technology College

  3. What is indigestion? Howden School and Technology College

  4. Possible cures 1 2 3 Howden School and Technology College

  5. What the cures claim? • All three cures claim to be the best • All three are alkalis • Brioschi contains 10% sodium hydrogen carbonate • Rennie contains 30% sodium hydrogen carbonate • Pept-Eez contains 60% sodium hydrogen carbonate Howden School and Technology College

  6. Making Predictions Howden School and Technology College

  7. 1 2 3 Method • Add 10cm3 of acid to each of the test tubes (CAREFUL) • Add 3 drops of universal indicator • Record the colour and pH of the three solutions Howden School and Technology College

  8. Obtaining Evidence Howden School and Technology College

  9. Was your prediction correct? Howden School and Technology College

  10. Controlling Variables Howden School and Technology College

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