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Acid Bases And Salts Set-3

Test your knowledge on Acid Bases And Salts from Chemistry, Class 10.

The chapter "Acid, Bases and Salts" is a cornerstone of Class 10 Chemistry, forming the foundation for understanding chemical reactivity and the nature of substances we encounter daily. It introduces students to the concept of H+H^+ and OH−OH^- ions, the pH scale, and the fascinating world of neutralization reactions. Mastering this chapter is essential for scoring well in the CBSE Board Exams, as it frequently features in both objective and descriptive sections, including case-study based questions.

Beyond academic success, this chapter provides scientific explanations for everyday phenomena, such as why curd is not stored in copper vessels, how antacids relieve indigestion, and the chemistry behind the "fizz" in soda. This quiz is meticulously designed to align with the latest NCERT curriculum and CBSE 2024-25 pattern, covering everything from indicator changes to the industrial preparation of salts like Bleaching Powder and Plaster of Paris.

30

Minutes

30

Questions

1 / -0

Marking Scheme

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Questions in this Quiz

Q1: Which of the following indicators turns red in an acidic solution?

  • Phenolphthalein

  • Methyl orange

  • Turmeric

  • China rose petals

Q2: When a zinc metal piece is added to NaOHNaOH solution and heated, which gas is evolved?

  • O2O_2

  • CO2CO_2

  • H2H_2

  • NO2NO_2

Q3: What is the chemical name of the salt produced when calcium hydroxide reacts with carbon dioxide?

  • Calcium bicarbonate

  • Calcium carbonate

  • Calcium oxide

  • Calcium chloride

Q4: Which of the following is a "Mineral Acid"?

  • Citric acid

  • Acetic acid

  • Hydrochloric acid

  • Tartaric acid

Q5: An aqueous solution turns red litmus solution blue. Excess addition of which of the following solutions would reverse the change?

  • Baking powder

  • Lime

  • Ammonium hydroxide solution

  • Hydrochloric acid

Q6: Which of the following gives the correct order of increasing acid strength?

  • Water < Acetic acid < Hydrochloric acid

  • Water < Hydrochloric acid < Acetic acid

  • Acetic acid < Water < Hydrochloric acid

  • Hydrochloric acid < Water < Acetic acid

Q7: What is the pH range of the human body for its normal functioning?

  • 5.0 to 5.8

  • 7.0 to 7.8

  • 6.0 to 6.8

  • 8.2 to 9.2

Q8: Sodium hydrogen carbonate (NaHCO3NaHCO_3) is commonly known as:

  • Washing soda

  • Baking soda

  • Bleaching powder

  • Plaster of Paris

Q9: Which substance is used for disinfecting drinking water to make it free of germs?

  • NaHCO3NaHCO_3

  • Na2CO3⋅10H2ONa_2CO_3 \cdot 10H_2O

  • CaOCl2CaOCl_2

  • CaSO4⋅12H2OCaSO_4 \cdot \frac{1}{2}H_2O

Q10: What happens when a solution of an acid is mixed with a solution of a base in a test tube?
(i) The temperature of the solution increases.
(ii) The temperature of the solution decreases.
(iii) The temperature of the solution remains the same.
(iv) Salt formation takes place.

  • (i) only

  • (i) and (iii)

  • (ii) and (iii)

  • (i) and (iv)

...and 20 more questions.

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