Скачать или смотреть Chemistry,class:9th,chap no.7,topic:intro of acid and bases,new syllabus,2025😊

Acids are proton (H⁺) donors, typically tasting sour and turning blue litmus paper red, while bases are proton acceptors, often tasting bitter and feeling slippery, turning red litmus paper blue. Acids and bases react in a neutralization reaction, forming salts and water. Common examples of acids include vinegar and lemon juice, while bases are found in soaps and baking soda.
Characteristics
Acids:
Taste sour.
Turn blue litmus paper red.
Corrosive to certain metals.
Examples: Lemon juice, vinegar, coffee, and soft drinks.
Bases:
Taste bitter and feel slippery.
Turn red litmus paper blue.
Examples: Soap, baking soda, detergents, and some antacids.
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