Acids, Bases and Salts-Common Characteristics of Acids and Bases (CBSE Class-10 Science): Questions 1 - 8 of 8

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Question number: 1

» Acids, Bases and Salts » Common Characteristics of Acids and Bases » Acid or a Base in a Water Solution

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Give reason, acids conduct electricity only in presence of water.

Question number: 2

» Acids, Bases and Salts » Common Characteristics of Acids and Bases » Alkali

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With the help of a well labelled diagram, Explain the chlor-alkali process?

Question number: 3

» Acids, Bases and Salts » Common Characteristics of Acids and Bases » Alkali

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What is alkali?

Question number: 4

» Acids, Bases and Salts » Common Characteristics of Acids and Bases » Acid or a Base in a Water Solution

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Dry hydrogen chloride gas does not change the colour of blue litmus paper, whereas hydrochloric acid does. Why?

Question number: 5

» Acids, Bases and Salts » Common Characteristics of Acids and Bases » Acid or a Base in a Water Solution

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How does acid and base conducts electricity when dissolved in water?

Question number: 6

» Acids, Bases and Salts » Common Characteristics of Acids and Bases » Acid or a Base in a Water Solution

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While diluting the acid, why is it recommended that acids should be added to water and not water to acid?

Question number: 7

» Acids, Bases and Salts » Common Characteristics of Acids and Bases » Acid or a Base in a Water Solution

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Sneha and Shivam want to prepare dilute H2SO4. Sneha added concentrated H2SO4 to water slowly with constant stirring& cooling whereas, Shivam added water to concentrated H2SO4. Name the student who was correct and why?

Question number: 8

» Acids, Bases and Salts » Common Characteristics of Acids and Bases » Acid or a Base in a Water Solution

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Write a note on, addition of acids and bases into water. What precautions to be taken and why?

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