What is a base used in toothpaste sorbitol carrageenan magnesium hydroxide sodium lauryl sulfate

The correct answer is magnesium hydroxide.

Explanation

Magnesium hydroxide is a base used in toothpaste. The role of base is to neutralize the acid secreted out in our mouth by bacteria present in our mouth which causes tooth decay and other related ailments.

Where as sorbitol is sugar alcohol found in the fruits and plants. Sodium lauryl sulfate is s basic salt which acts as a surfactant used for cleaning purposes.

Carrageenan is a substance extracted from red and purple seaweed used as thickening or emulsifying agents in the food products.

Magnesium hydroxide

Explanation:

Toothpaste as such is a mild base. This helps to neutralize the acid produced in the mouth as a result of the action of certain bacteria that help in breaking down food.

Sorbitol is a sugar alcohol and acidic in nature

Carrageenan is a linear polysaccharide and also acidic

Sodium lauryl sulfate is a surfactant and mildly acidic

However, magnesium hydroxide (Mg(OH)2) is a base which is used in toothpastes.

c, liquids evaporate, creating a gas