ACIDS AND ALKALIS
What Are Acids?
Acids are substances that can react with other materials and usually have a sour taste.
Examples of Acids
Vinegar
Lemon juice
Orange juice
Properties of Acids
Sour in taste
Turn blue hibiscus paper pink
Can react with some metals
What Are Alkalis?
Alkalis are a type of base that can dissolve in water. They usually have a bitter taste and feel soapy or slippery.
Examples of Alkalis
Baking soda solution
Soap water
Toothpaste
Properties of Alkalis
Bitter in taste
Feel slippery
Turn red hibiscus paper blue
Turn turmeric paper red
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