4. Describe the properties of bases. Namer
bases and their uses.
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Answer:
bases turn red litmus to blue.these are bitter in taste.these are slippery to touch.ex.sodium hydroxide.
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Explanation:
properties of bases
Soapy feel
Has a pH more than 7
Turns red litmus paper to a blue colour
Many alkalis (soluble bases) contain hydroxyl ions (OH–)
Reacts with acids to form salt and water
Bases and their uses
calcium hydroxide mortar; chalk to line athletic fields
magnesium hydroxide antacid (Tums; Rolaids)
ammonium hydroxide household cleaners; Windex
aluminum hydroxide deoderant
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