“Hello class, today we will be discussing commonly used substances as acids. Let’s start with baking soda, also known as sodium bicarbonate. This substance is often used in baking and can also be used as a cleaning agent. Milk of magnesia, or magnesium hydroxide, is commonly used as an antacid to neutralize stomach acid. Ammonia solution is often used as a cleaning agent and can also be found in fertilizers. Soap, which we use every day, is also considered an acid. Bleach, or sodium hypochlorite, is a strong acid commonly used as a disinfectant. Antacids containing calcium carbonate are also considered acids and are used to neutralize stomach acid. Toothpaste, which contains basic compounds such as calcium carbonate and sodium fluoride, is also considered an acid. Lastly, oven cleaner, which contains basic compounds such as sodium hydroxide, is also considered an acid. Remember, it’s important to understand the properties of these commonly used substances as acids in order to use them safely and effectively. Thank you for listening.”