Learning Path
Question & Answer1
Understand Question2
Review Options3
Learn Explanation4
Explore TopicChoose the Best Answer
A
To determine the color of the liquid
B
To ensure the safety and quality of food products
C
To measure the temperature of the liquid
D
To evaluate the viscosity of the liquid
Understanding the Answer
Let's break down why this is correct
Answer
Testing the pH of common liquids with litmus paper lets food businesses quickly check if a product is too acidic or alkaline, which can affect safety, taste, and shelf life. If a liquid is too acidic, it can encourage harmful bacteria; if too alkaline, it can ruin flavor or cause spoilage. By measuring pH early, companies can adjust recipes, add preservatives, or tweak processing steps to keep food safe and tasty. For example, if a beverage’s pH reads 3. 5, the producer can add a small amount of citric acid to lower it to the desired range and prevent bacterial growth.
Detailed Explanation
Litmus paper shows whether a liquid is acidic or alkaline, which tells if the food is safe to eat. Other options are incorrect because Some think litmus paper tells the liquid’s color, but it actually shows acidity or alkalinity; People sometimes think litmus paper measures heat, but it reacts to hydrogen ions, not temperature.
Key Concepts
litmus paper)
importance of pH in food quality
Topic
pH Testing of Common Liquids
Difficulty
medium level question
Cognitive Level
understand
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