05 Feb Acids and Alkaline Solutions
What does a matter consists of, what are its properties, how does the properties change these are all answered by Chemistry. It is simply the study of matter, including concepts such as alkaline solutions.
Chemistry is that branch of Science that has its fingers in about everything and has various critical chapters. One of them is Acids and Alkaline.
This is one of the most important chapters of Chemistry as well as one of the toughest too. Check out this simplifies solution about Acids and Alkaline Solutions by our expert faculty.
Chemistry tuition class in Miracle Learning Centre is fun and enriching. You will learn about the different aspects of Science and how to learn study skills too.
If you do not like or understand science, you must definitely attend the chemistry tuition class at Miracle Learning Centre to arouse and reignite your interest. Let us learn about the Acids and Alkaline Solutions in this Chemistry tuition lesson.
What are Acids and Alkaline Solutions?
There are three types of aqueous solutions:
- acidic,
- alkaline (basic), and
- neutral.
Neutral solutions like distilled water have a pH value of 7. A solution with a pH below 7 is acidic, while one with a pH above 7 is alkaline.
Examples:
- Neutral Solution: Distilled water has a pH of 7, making it a neutral solution.
- Acidic Solution: Acetic acid (pH 2-4) and citric acid (pH 2) are common acidic solutions.
- Alkaline Solution: Ammonia (ammonium hydroxide, pH around 11) and baking soda dissolved in water (sodium bicarbonate, pH around 9) are examples of alkaline solutions.
Acids: Characteristics and Properties
Acid is a substance that dissolves in water to form hydrogen ions as the only positive ions. It is also a water-soluble compound that reacts with a base to form salt and water only. Some common acids are
Examples:
- Sulphuric acid ( H2SO4 ): Found in car batteries and used in industrial processes.
- Nitric acid ( HNO3 ): Used in fertilizers and explosives.
- Hydrochloric acid ( HCl ): A major component of vinegar, which is used to cook and clean.
Acidic solutions are usually. corrosive and have a sour taste. Furthermore, it turns damp blue litmus paper into red and has a pH value that is less than 7.
When acid is added to reactive metals, bubbles of gas or effervescence will be seen and the gas given off is colorless and odorless called Hydrogen. In additions, acids can be further classified into minerals or organic acids.
What are alkaline solutions: Characteristics and Properties
Alkaline solution is a mixture of base solids dissolved in water. This are usually corrosive and cause bleaching. It has a bitter taste and a soapy feeling.
Furthermore, it turns red litmus paper into blue and has a pH value that is more than 7. Alkalis react with acids to form salts and water only and when it reacts with ammoniums salts, it produces ammonia gas. Some common alkalis include ----
Alkaline solution examples:
- Sodium hydroxide (NaOH): Used in soap making and drain cleaners.
- Potassium hydroxide (KOH): Used in manufacturing fertilizers and potassium-based soaps.
- Calcium hydroxide (Ca (OH) 2): Known as limewater, used in treating water and in construction.
Acid-Base Reactions:
There are many real-world applications for acid-base reactions. In cleaning, acids like vinegar remove limescale, while alkalis like baking soda act as mild abrasives. It is crucial to understand these reactions in order to succeed in exams and in practical chemistry.
Conclusion
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