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Questions and Answers
What is a common property of both acids and alkalis?
What is a common property of both acids and alkalis?
- They both have a pH of exactly 7.
- They are both safe to handle without protection.
- They are both inert substances.
- They both react with substances to dissolve them. (correct)
What specific effect could acids and alkalis have on skin?
What specific effect could acids and alkalis have on skin?
- They cause substances to solidify.
- They cause no effect on skin due to its protective layer.
- They can react with skin to form new, potentially dissolving substances. (correct)
- They can make the skin extremely dry.
What safety measure is recommended when handling corrosive chemicals?
What safety measure is recommended when handling corrosive chemicals?
- Using gloves when handling them is sufficient.
- Only wash spills if the chemical is visibly irritating.
- Wearing goggles and washing spills with plenty of cold water. (correct)
- Using hot water to wash away any spills.
What does the term 'corrosive' mean in reference to acids and alkalis?
What does the term 'corrosive' mean in reference to acids and alkalis?
Based on the content, how are acids and alkalis similar?
Based on the content, how are acids and alkalis similar?
Flashcards
Acids
Acids
Chemicals that can donate protons (H+) and typically have a sour taste.
Alkalis
Alkalis
Chemicals that can accept protons (H+) and usually have a bitter taste.
Corrosive Substances
Corrosive Substances
Acids and alkalis that can damage materials or tissue by reacting with them.
Safety with Corrosives
Safety with Corrosives
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Reactivity of Acids and Alkalis
Reactivity of Acids and Alkalis
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Study Notes
Acids and Alkalis
- Acids and alkalis are two groups of hazardous substances.
- They differ from each other, but are both irritant or corrosive.
- Both react with substances (including skin) to produce new substances, causing dissolution.
- This dissolution makes it seem like the acid or alkali is "wearing away" the other substance.
Safety Precautions
- To prevent accidents when dealing with corrosive chemicals, always wear safety goggles.
- Immediately wash away any spills with plenty of cold water.
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