Acidic or Basic?

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Questions and Answers

Which solution can Neetu add to the test tubes to identify the acidic and basic solution?

  • sodium chloride
  • vinegar
  • water
  • baking soda (correct)

Which solution should Neetu avoid adding to the test tubes in order to identify the acidic and basic solution?

  • water (correct)
  • sodium chloride
  • baking soda
  • vinegar

Which solution can Neetu add to the test tubes to confirm if one of them contains dilute hydrochloric acid?

  • baking soda
  • sodium chloride
  • vinegar (correct)
  • water

Which of the following is a chemical reaction?

<p>Burning wood (D)</p> Signup and view all the answers

What is the product of the chemical reaction between hydrochloric acid and sodium hydroxide?

<p>Salt (D)</p> Signup and view all the answers

Which of the following is an example of a decomposition reaction?

<p>Decaying fruit (A)</p> Signup and view all the answers

During purification of a metal by electrolysis, what happens at the negative electrode?

<p>Metal ions lose electrons to become neutral atoms (A)</p> Signup and view all the answers

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