Class 10 Chemistry Viva Questions With Answers

Class 10 chemistry viva voce question and answers are concept focused and not question focused, which improves the conceptual knowledge based on the practicals performed by the students. Students can revise each and every chapter viva voce questions by referring to the question answers provided and obtain a confidence on them.

A general viva voce is based on the practicals. Prepare accordingly from the set of viva voce given after each experiment. Class 10 Chemistry Practicals Viva Voce Question and Answers is to judge whether the student has merely copied the experiments from the book or he/she has actually performed it in the laboratory. Also this helps to remember about the experiments performed in the laboratory. Keep revising.

Class 10 Chemistry Viva Questions With Answers

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A. Finding the pH of the following samples by using pH paper/universal indicator:

Unit-I

  • Dilute Hydrochloric Acid
  • Dilute NaOH solution
  • Dilute Ethanoic Acid solution
  • Lemon juice
  • Water
  • Dilute Hydrogen Carbonate solution

B. Studying the properties of acids and bases (HCl & NaOH) on the basis of their reaction with:

C. Performing and observing the following reactions and classifying them into:

a. Combination reaction i) Action of water on quicklime
b. Decomposition reaction ii) Action of heat on ferrous sulphate crystals
c. Displacement reaction iii) Iron nails kept in copper sulphate solution
d. Double displacement reaction iv) Reaction between sodium sulphate and barium chloride solutions

D. Observing the action of Zn, Fe, Cu and Al metals on the following salt solutions:

  • ZnSO4(aq)
  • FeSO4(aq)
  • CuSO4(aq)
  • Al2(SO4)3(aq)

E. Arranging Zn, Fe, Cu and Al (metals) in the decreasing order of reactivity based on the above result.

Students will gain a better understanding of the concept by doing the experiments since they will be able to see the changes taking place right in front of their eyes. Their fundamentals will become strong as they learn by doing. They will also develop an interest in the subject as a result of this practice.

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