Common Household Acids and Bases! By: Gordon Koh 2I1(15)

Common Household Acids And Bases! (II) Tartaric Acid By: Gordon Koh 2i1(15) A natural acid formed and found in fruits and plants. Examples of tartaric in our household are in grapes and bananas.

This is a brochure about common household acids and bases. Firstly, I will talk about some common household acids. They tend to be used in food, and provide a sour taste.

(I) Citric Acid Citric acid is a weak acid, and is used as a natural preservative, and (III) Lactic Acid is used to add the sour taste on our food and drinks. Also known as milk acid, it is found in various milk products. Citric acid can be found in juices that we buy from supermarket and An example would be yoghurt. also ice cream. Citric acid can also be found in certain soaps and laundry detergents.

(IV) Ethanoic Acid (Lemon Juice) (Ice Cream) An organic acid which is weak, and gives vinegar its sour and As you can see, citric acid is used in the making of these juices as it pungent taste. adds on the sour taste and also in these ice creams, which is a An example is vinegar. strawberry flavoured one. It would be found in one’s home in their soaps as well as detergents.

So here are the lists of some of the common acids found in one’s household! The precautions to take when handling these acids are that you (II) Ammonium Hydroxide should always avoid contact with eye, and also to store them Ammonium Hydroxide is ammonia dissolved in an aqueous accordingly to their various storage instructions. solution. It is used as an ingredient for many cleaning agents, such as window cleaning formula. Now I shall talk about the common household bases, they tend to be Examples of it in one’s household would be window cleaning soap. found in detergents, and also cleaners.

(I) Sodium Hydroxide It is used in many industries, mainly as a strong chemical base. It is also known as lye or caustic soda. It is used in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents.

(III) Sodium Hydrogencarbonate Sodium bicarbonate is a white solid that is crystalline but often appears as a fine powder. An example would be in our baking soda. 1) 2) 3) 4) 5)

[RESEARCH] Go and read up more about acids and bases , list out some of their Precautions to take when handling these bases are that we should characteristics and compare them. avoid swallowing, avoid contact with eye and also follow proper storage instructions when storing them. Characteristics: ______So here’s the end of my brochure, which is actually a short ______introduction to common household acids and bases. I hope that you ______have learnt something.

Similarities: Differences:

[ACTIVITY ] After reading this brochure, can you list some things that contain acids in your household? 1) 2) 3) 4) 5)

Can you list some possible things that contain bases in your household?