JSC Science Note 10th Chapter Acids, Bases, and Salts

JSC Science Note 10th Chapter Acids, Bases, and Salts. Acids, bases, and salts are part of a variety of things we handle daily. Acids give the citrus fruit its sour taste, while bases such as ammonia are found in many types of cleaners. Salts are a product of the reaction between an acid and a base. A common method used to determine an acid or a base is a litmus test, but there are other characteristics that can help you identify acids, bases, and salts.

Acids have a sour taste. Citric acid is what makes the sour taste of lemons, oranges and other citrus fruits, while acetic acid gives vinegar its sour taste. An acid will turn litmus paper red. Litmus is a vegetable dye that turns red to indicate an acid and blue to indicate a base. Acids also contain combined hydrogen. According to the website Journey Into Science, when metals such as zinc are placed in an acid, a reaction will occur. The acid and zinc will bubble and release hydrogen gas. Acids will release hydrogen in water as well.

JSC Science Note 10th Chapter Acids, Bases, and Salts

JSC Science Note 10th Chapter Acids, Bases, and Salts

অম্ল, ক্ষারক ও লবণ

JSC Science Note 10th Chapter Acids, Bases, and Salts

JSC Science Note 10th Chapter Acids, Bases, and Salts

Salt is a compound, which is an acid and a base combined. There are many chemical compounds that are classified as salts according to Journey Into Science. The most common is table salt or sodium chloride. Baking soda, or sodium bicarbonate, is also a salt. Salts are typically made of metallic and non-metallic ions; it separates in water because the tightly bonded ions present in salts are weakened.

Salts can be several different colors and may be any of the five tastes, including salty, sweet, bitter, sour or savory. Their odor depends on the acid and base it is comprised of. Salts comprised of strong acids and bases, called strong salts, are odorless. Salts made from weak bases and acids, called weak salts, may smell like the acid or base used to make it. For example, vinegar smells like acetic acid and cyanides smell like hydrogen cyanide, which has an almond-like odor.

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