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CBSE Class 10 Acids, Bases and Salts — practice questions

Explore 50 free Acids, Bases and Salts questions in CBSE Class 10 Science. Open each question or exercise to read its content, reference answers and available explanation.

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Acids, Bases and Salts questions and exercises with answers

Showing questions 1–30 of 50.

The white precipitate formed when carbon dioxide is passed through lime water isRead the answer and worked solution →The reaction of an acid with a base to give a salt and water is called aRead the answer and worked solution →Sodium hydroxide reacts with hydrochloric acid to form water andRead the answer and worked solution →The ion responsible for the acidic nature of a solution is theRead the answer and worked solution →Bases dissolved in water produce which negative ion?Read the answer and worked solution →A base that is soluble in water is calledRead the answer and worked solution →Dry HCl gas does not turn dry blue litmus red because itRead the answer and worked solution →Hydrochloric acid is a stronger acid than acetic acid because itRead the answer and worked solution →The pH of a neutral solution such as pure water at room temperature isRead the answer and worked solution →A solution having a pH value of 3 isRead the answer and worked solution →As the pH of a solution rises from 7 towards 14, the concentration of hydronium ionsRead the answer and worked solution →Rain is called acid rain when the pH of the rain water falls below aboutRead the answer and worked solution →Tooth decay begins when the pH of the mouth falls below aboutRead the answer and worked solution →Milk of magnesia, used to relieve stomach acidity, is chemicallyRead the answer and worked solution →A salt formed from a strong acid and a weak base isRead the answer and worked solution →A salt formed from a strong base and a weak acid isRead the answer and worked solution →In the chloro-alkali process, electricity is passed throughRead the answer and worked solution →The three products of the chloro-alkali process are sodium hydroxide, hydrogen andRead the answer and worked solution →Bleaching powder is represented by the formulaRead the answer and worked solution →The chemical name of baking soda isRead the answer and worked solution →On strong heating, baking soda gives sodium carbonate, water andRead the answer and worked solution →The formula of washing soda isRead the answer and worked solution →While diluting a concentrated acid, the correct and safe practice is to addRead the answer and worked solution →A honey bee sting injects an acid. The pain can be relieved by applyingRead the answer and worked solution →Match the compound to its common nameRead the answer and worked solution →True or false: acids, bases and saltsRead the answer and worked solution →Which one is NOT an acid?Read the answer and worked solution →Sort each solution as acidic or basicRead the answer and worked solution →Complete the neutralizationRead the answer and worked solution →Drop each trait into acid or baseRead the answer and worked solution →

Worked practice questions

The white precipitate formed when carbon dioxide is passed through lime water is

  1. calcium carbonate
  2. calcium chloride
  3. magnesium carbonate
  4. sodium bicarbonate
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Correct answer: A. calcium carbonate

1. Lime water contains calcium hydroxide. 2. Ca(OH)2 + CO2 gives CaCO3 (white, insoluble) + H2O. 3. The white precipitate is calcium carbonate, causing the milkiness. _Source: AP/TS SCERT Class 10 Physical Science, "Acids, Bases and Salts"_

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The reaction of an acid with a base to give a salt and water is called a

  1. displacement reaction
  2. neutralization reaction
  3. precipitation reaction
  4. decomposition reaction
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Correct answer: B. neutralization reaction

1. When an acid meets a base each cancels the other. 2. Base + acid gives salt + water, e.g. NaOH + HCl gives NaCl + H2O. 3. This is called a neutralization reaction. _Source: AP/TS SCERT Class 10 Physical Science, "Acids, Bases and Salts"_

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Sodium hydroxide reacts with hydrochloric acid to form water and

  1. sodium sulphate
  2. sodium carbonate
  3. sodium chloride
  4. potassium chloride
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Correct answer: C. sodium chloride

1. This is a neutralization: base + acid gives salt + water. 2. NaOH + HCl gives NaCl + H2O. 3. The salt formed is sodium chloride, common table salt. _Source: AP/TS SCERT Class 10 Physical Science, "Acids, Bases and Salts"_

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