Common Acids and Alkalis Quiz

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Questions and Answers

Which property is associated with acids rather than alkalis?

Can react with grease

Have a slippery feel

Some have a bitter taste

Have a sour taste (correct)

What is the primary function of hydrochloric acid in toilet cleaners?

To create foam for better cleaning

To provide a slippery surface

To add a sweet scent

To react with dirt and stains and make them easier to remove. (correct)

Which of the following is a characteristic function of sodium hydroxide?

Causes an acidic reaction with fruits

Removes grease from kitchen surfaces (correct)

Used for food preservation

Forms a bitter taste in food

In noodle production, what is the role of lye water?

To enhance the chewiness of noodles Signup and view all the answers

Which statement about the uses of acids and alkalis is accurate?

Acids are commonly used for food preservation. Signup and view all the answers

What gives vinegar its characteristic sour taste?

Acetic acid Signup and view all the answers

Which of the following foods contains alkalis?

Lye water rice dumplings Signup and view all the answers

Which household product is known to contain an alkali?

Bleach Signup and view all the answers

What is a common characteristic of alkalis when touched?

Slippery feel Signup and view all the answers

Which of the following is NOT a common acid used in laboratories?

Lactic acid Signup and view all the answers

Which type of acid is commonly associated with soft drinks?

Citric acid Signup and view all the answers

Why should acids and alkalis, especially household cleaners, be handled with care?

They might have a corrosive nature and be irritant. Signup and view all the answers

What is a typical taste associated with alkalis?

Bitter Signup and view all the answers

What should you do if acids or alkalis splash onto your skin?

Wash the area under slow-running water for at least 10 minutes Signup and view all the answers

Which acid is known for being stored in dark-colored reagent bottles due to its light sensitivity?

Dilute nitric acid Signup and view all the answers

What is a common use for acids in daily life?

Food preservation Signup and view all the answers

What should be done after handling acids or alkalis in the laboratory?

Wash hands thoroughly Signup and view all the answers

What is a characteristic of most acids and alkalis used in laboratories?

They are irritant or corrosive Signup and view all the answers

Study Notes

Common Acids and Alkalis

Acids are substances that taste sour
Alkalis are substances that feel slippery and some have a bitter taste
Vinegar contains ethanoic acid which gives it a sour taste
Many foods and drinks contain acids
Some household products contain acids
Some household products contain alkalis
Chinese noodles and lye water rice dumplings contain alkalis
Alkalis can be found in kitchen cleaners, bleach, alkaline batteries, and toothpaste
Acids and alkalis are often used in laboratories
Common laboratory acids include hydrochloric acid, sulphuric acid, and nitric acid
Common laboratory alkalis include sodium hydroxide, ammonia solution, and calcium hydroxide (lime water)
Acids and alkalis can be corrosive and should be handled carefully
Acids have a sour taste
Alkalis have a slippery feel and some have a bitter taste
Acids can be used for food preservation
Vinegar, commonly used as a food preservative, is an acid
Alkalis can also be used for food preservation
Lye water can be used in making noodles
Hydrochloric acid is found in some toilet cleaners and can remove stains
Sodium hydroxide is found in some kitchen cleaners and can remove grease

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Description

Test your knowledge on common acids and alkalis, their properties, and uses in everyday life and laboratories. Learn about substances like vinegar, household cleaners, and laboratory chemicals. This quiz covers key concepts related to the nature of acids and alkalis, including their tastes and applications.