Class 10 Science — Chapter 2: Acids, Bases and Salts

What you'll learn

• ▸Acid-Base Indicators
• ▸Olfactory Indicators
• ▸Reaction of Acids with Metals
• ▸Reaction of Acids with Metal Carbonates and Bicarbonates
• ▸Neutralization Reaction
• ▸Reaction of Bases with Metals
• ▸Nature of Metallic and Non-metallic Oxides
• ▸Common Property of Acids in Aqueous Solution

Chapter Summary

--- PAGE 1 --- CHAPTER **2** **Acids, Bases** **and Salts** 1064CH02 You have learnt in your previous classes that the sour and bitter tastes of food are due to acids and bases, respectively, present in them. If someone in the family is suffering from a problem of acidity after overeating, which of the following would you suggest as a remedy– lemon juice, vinegar or baking soda solution? * Which property did you think of while choosing the remedy? * Surely you must have used your knowledge about the ability of acids and bases to nullify each other's effect. * Recall how we tested sour and bitter substances without tasting them. You already know that acids are sour in taste and change the colour of blue litmus to red, whereas, bases are bitter and change the colour of the red litmus to blue. Litmus is a natural indicator, turmeric is another such indicator. Have you noticed that a stain of curry on a white cloth becomes reddish-brown when soap, which is basic in nature…

Practice Questions from this Chapter

Tap "Get Solution" on any question to ask our AI tutor.

1. Show natural acid-base indicators. Get Solution →
2. Describe acid-metal reactions. Get Solution →
3. Give antacid real-world examples. Get Solution →
4. According to the text, what is the characteristic taste of acids? Get Solution →
5. What color change occurs when blue litmus paper is placed in an acidic solution? Get Solution →
6. What gas is generally produced when an acid reacts with a metal? Get Solution →
7. The reaction between an acid and a base to produce salt and water is known as what? Get Solution →
8. Litmus solution, a common indicator, is extracted from which organism? Get Solution →

Did you know?

• 💡 Ants spray formic acid for defense, a type of organic acid.
• 💡 Hydrangea flowers change color based on the soil's acidity, acting as a natural indicator.
• 💡 Ocean water contains dissolved salts, not just table salt, from eroded land minerals.
• 💡 Ancient Romans used urine, which contains uric acid, to whiten and clean their clothes.
• 💡 Baking soda, a common base, reacts with acids to create bubbles, making cakes rise.

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