Cleanliness in the current society is directly related to health, hygiene, and even environmental responsibility; it is not only a matter of appearance. Removing stains, breaking down undesired ...

Students add laundry detergent powder (a base) and cream of tartar (an acid) to the indicator ... The yellow scale on the left shows the amount of chlorine in the water. This test for chlorine is not ...

Antacid tablets contain bases such as magnesium hydroxide and magnesium carbonate to neutralise the extra acid. When an acid is added to an alkali the pH of the acid increases towards 7 and the pH ...