SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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They taste sweet.
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They taste sour.
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They have a pH between 8-14.
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None of the above
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Detailed explanation-1: -Explanation: Acids are sour, like citric acid found in lemon while bases are bitter, like soap.
Detailed explanation-2: -Hence, option (C) is correct., sour and changing blue litmus to red is true for acids.
Detailed explanation-3: -Acidic compounds are believed to taste sour because of their hydrogen ion concentration, whereas many bases are bitter compounds & are indeed alkaline, but this is because natural bitter compounds often contain amine groups. Amine groups are weak bases. Acids taste sour, and this is because of the pH.
Detailed explanation-4: -In the case of acids, though, the positive ion is always hydrogen, and those hydrogen ions (also called protons) always produce a sour taste.
Detailed explanation-5: -What do lemons and vinegar have in common? They both taste sour on your tongue. This is because they are acids and acids taste sour. Bases are the opposite of acids; they normally taste bitter and feel soapy.