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Class 10ScienceChemical Substances – Nature and BehaviourAcids, Bases, and SaltsEasy
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What is the main difference between baking soda and baking powder?

Answer and explanation

Correct answer: Baking powder contains baking soda along with a mild acid

Baking soda is mainly sodium hydrogen carbonate, a single chemical compound. Baking powder is a mixture containing baking soda and a mild dry acid, often with starch to keep it stable. When liquid and heat are supplied, the acid reacts with the hydrogen carbonate and releases carbon dioxide. Therefore A gives the real composition difference; the other statements confuse it with chlorine, common salt, or claim incorrectly that the two are identical.

Related tags

Baking SodaBaking PowderCarbon DioxideMixturesAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour
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10 more MCQs
  1. 1What type of substance turns blue litmus paper red?
  2. 2What type of substance turns red litmus paper blue?
  3. 3Which of the following substances acts as a natural indicator?
  4. 4What is the general nature of an aqueous soap solution?
  5. 5Which of the following substances turns red litmus paper blue?
  6. 6What is the nature of a solution whose pH is less than 7?
  7. 7At 25°C, a solution with a pH greater than 7 is of which nature?
  8. 8A student dips red litmus paper into a soap solution. What change will occur in the red litmus paper?
  9. 9Which gas is generally produced when dilute acids react with active metals?
  10. 10A student dips red litmus paper into a soap solution. What will be the colour of the litmus paper?
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