Acids and Alkalis: Properties and Uses
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Acids and Alkalis: Properties and Uses

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Questions and Answers

What is the primary characteristic that distinguishes acids from alkalis?

pH value, with acids having a pH lower than 7 and alkalis having a pH higher than 7

What is the result of an acid reacting with an alkali?

The formation of water and a salt

What is the significance of neutral substances in nature and industries?

They maintain a stable environment and serve as a reference point for comparing the acidity or alkalinity of other substances

How do acids and alkalis affect the skin?

<p>Acids can cause a stinging sensation, while alkalis can feel slippery or soapy</p> Signup and view all the answers

What are some common applications of acids and alkalis?

<p>Manufacturing, cleaning, food preservation, agriculture, and cleaning products</p> Signup and view all the answers

What are the different forms of hazards that can affect human health and the environment?

<p>Corrosive substances, toxic materials, and environmental hazards.</p> Signup and view all the answers

What is the purpose of using universal indicators and cabbage indicators in laboratories and scientific experiments?

<p>To quickly and easily determine the pH level of a solution.</p> Signup and view all the answers

How do universal indicators and cabbage indicators react when they come into contact with a solution?

<p>They change color based on the pH level of the solution.</p> Signup and view all the answers

What is the purpose of litmus paper, and how does it work?

<p>Litmus paper is used to test if a substance is acidic or alkaline, and it changes color accordingly.</p> Signup and view all the answers

Why is it important to be aware of hazards and take necessary precautions?

<p>To protect ourselves and the environment from harm.</p> Signup and view all the answers

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