Acids and Alkalis Basics

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What is a common use of acids in food preservation?

To make food more nutritious

To add flavor to food

To add color to food

To prevent food from going bad (correct)

What is a characteristic of acidic solutions?

They conduct electricity (correct)

They insulate electricity

They are always colorless

They are good for the skin

What is a common use of alkalis in household cleaning?

To clean carpets

To add shine to mirrors

To remove grease from surfaces (correct)

To polish metal

What is a safety precaution when handling acids and alkalis in the laboratory?

Wear protective gear like goggles and gloves Signup and view all the answers

What is the purpose of reading hazard warning labels on reagent bottles?

To be aware of the chemical's potential hazards Signup and view all the answers

What is the first step in responding to an accident involving acids or alkalis?

Wash the affected area under slow running water Signup and view all the answers

What should you do if chemicals get into your eyes?

Wash it with the eye wash bottle immediately for at least 10 minutes Signup and view all the answers

What is the primary function of acid-alkali indicators?

To distinguish acids and alkalis Signup and view all the answers

What is the pH value that indicates a neutral substance?

pH 7 Signup and view all the answers

Acids and Alkalis Basics

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Questions and Answers

What is a common use of acids in food preservation?

What is a characteristic of acidic solutions?

What is a common use of alkalis in household cleaning?

What is a safety precaution when handling acids and alkalis in the laboratory?

What is the purpose of reading hazard warning labels on reagent bottles?

What is the first step in responding to an accident involving acids or alkalis?

What should you do if chemicals get into your eyes?

What is the primary function of acid-alkali indicators?

What is the pH value that indicates a neutral substance?

What type of instrument can measure the pH value of a substance accurately to two decimal places?

What is the purpose of taking a sample of the acid or alkali to the hospital?

What is the range of the pH scale?

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