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Questions and Answers
What is the chemical nature of substances that taste sour, such as curd and lemon juice?
What is the chemical nature of substances that taste sour, such as curd and lemon juice?
- Basic
- Acidic (correct)
- Neutral
- Sweet
What does the Latin word 'acere' mean, from which the word 'acid' is derived?
What does the Latin word 'acere' mean, from which the word 'acid' is derived?
- Sweet
- Salty
- Bitter
- Sour (correct)
What is the taste of baking soda and what does it indicate about its chemical nature?
What is the taste of baking soda and what does it indicate about its chemical nature?
- Salty, neutral
- Sweet, basic
- Bitter, basic (correct)
- Sour, acidic
Which type of substances feel soapy on touching and are bitter in taste?
Which type of substances feel soapy on touching and are bitter in taste?
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What is the chemical nature of substances like lemon juice and orange juice?
What is the chemical nature of substances like lemon juice and orange juice?
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What are the substances used to test whether a substance is acidic or basic called?
What are the substances used to test whether a substance is acidic or basic called?
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What is the most commonly used natural indicator?
What is the most commonly used natural indicator?
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What happens to litmus paper when added to an acidic solution?
What happens to litmus paper when added to an acidic solution?
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What term is used for substances that do not change the color of either red or blue litmus?
What term is used for substances that do not change the color of either red or blue litmus?
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Why should we not taste unknown substances?
Why should we not taste unknown substances?
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