Acids, Bases and Salts (CBSE Class-10 Science): Questions 16 - 26 of 43

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Question number: 16

» Acids, Bases and Salts » How Strong Are Acid or Base Solutions? » pH Scale

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Write a note on natural and synthetic indicators?

Question number: 17

» Acids, Bases and Salts » How Strong Are Acid or Base Solutions? » pH Scale

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X is a soluble acidic oxide and Y is a soluble base. Compared to pH of pure water, what will be the pH of solution of X and solution of Y?

Question number: 18

» Acids, Bases and Salts » Chemical Properties of Acids and Bases » Reaction of Metallic Oxides With Acids

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The oxide of a metal X was water soluble, when a blue litmus strip was dipped in this solution, it did not go any change in colour. Predict the nature of oxide?

Question number: 19

» Acids, Bases and Salts » How Strong Are Acid or Base Solutions? » pH in Our Digestive System and Cause of Tooth Decay

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Compound A forms enamel of teeth. It is the hardest substance of the body. It does not dissolve in water but it is corroded when pH in the mouth goes below 5.5. How does tooth paste prevent dental decay?

Question number: 20

» Acids, Bases and Salts » How Strong Are Acid or Base Solutions? » pH Scale

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What are indicators and what is their use?

Question number: 21

» Acids, Bases and Salts » How Strong Are Acid or Base Solutions? » pH in Our Digestive System and Cause of Tooth Decay

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What is the cause of pain and irritation in stomach in case of indigestion?

Question number: 22

» Acids, Bases and Salts » Chemical Properties of Acids and Bases » How Do Acids and Bases React With Each Other?

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What is neutralisation reaction?

Question number: 23

» Acids, Bases and Salts » How Strong Are Acid or Base Solutions? » pH in Our Digestive System and Cause of Tooth Decay

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Write a note on tooth decay and its prevention.

Question number: 24

» Acids, Bases and Salts » How Strong Are Acid or Base Solutions? » Importance of pH in Everyday Life

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Why are same perishable food preserved in vinegar?

Question number: 25

» Acids, Bases and Salts » How Strong Are Acid or Base Solutions? » Importance of pH in Everyday Life

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What do we understand by the term Hyper-acidity in human beings? What is the treatment for it?

Question number: 26

» Acids, Bases and Salts » How Strong Are Acid or Base Solutions? » Importance of pH in Everyday Life

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What is the pH range of human body?

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