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ICSE Class 10 Acids, Bases and Salts — practice questions — page 2

Explore 55 free Acids, Bases and Salts questions in ICSE Class 10 Chemistry. 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 31–55 of 55.

At constant temperature, what can form crystals from a supersaturated salt solution?Read the answer and worked solution →What happens to salt ions when the salt is molten?Read the answer and worked solution →Why does solid sodium chloride not conduct well?Read the answer and worked solution →What term describes HCl dissolved in water?Read the answer and worked solution →What happens to pH as hydrogen-ion concentration rises?Read the answer and worked solution →Which acid is associated with citrus fruits?Read the answer and worked solution →Which acid is used in car batteries?Read the answer and worked solution →Match each chemical indicator with its distinct color in basic alkaline medium:Read the answer and worked solution →Match each gypsum / plaster compound with its water of crystallization:Read the answer and worked solution →Match each pH range with its physiological or environmental significance:Read the answer and worked solution →Match each common salt with its industrial chemical name and formula:Read the answer and worked solution →An Arrhenius base in water increases which ions?Read the answer and worked solution →Which ion is the aqueous form of a proton?Read the answer and worked solution →What does an Arrhenius acid increase in water?Read the answer and worked solution →A Brønsted–Lowry acid is a proton…Read the answer and worked solution →What pH values are acidic at 25 °C?Read the answer and worked solution →A Lewis acid accepts which particle pair?Read the answer and worked solution →At 25 °C, which pH is neutral?Read the answer and worked solution →At 25 °C, which description fits pH 9?Read the answer and worked solution →As pH decreases, acidity generally…Read the answer and worked solution →In Brønsted–Lowry theory, a base accepts what?Read the answer and worked solution →Which substance is given as a common weak acid?Read the answer and worked solution →Which acid is the aqueous solution of hydrogen chloride?Read the answer and worked solution →Vinegar is described as a dilute aqueous solution of…Read the answer and worked solution →The pH scale is described as…Read the answer and worked solution →

Worked practice questions

At constant temperature, what can form crystals from a supersaturated salt solution?

  1. Evaporating solvent
  2. Cooling the solution
  3. Filtering the solution
  4. Adding more solvent
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Correct answer: A. Evaporating solvent

Evaporation of solvent can cause a solid salt to form.

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What happens to salt ions when the salt is molten?

  1. Ions become mobile
  2. Ions disappear
  3. Ions become atoms
  4. Ions stop moving
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Correct answer: A. Ions become mobile

Molten salts conduct because their ions can move.

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Why does solid sodium chloride not conduct well?

  1. Its ions are gases
  2. Its ions are not mobile
  3. It contains no ions
  4. It has free electrons
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Correct answer: B. Its ions are not mobile

In solid salts, ions are fixed in the lattice rather than mobile.

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