Properties and Uses of Acids and Bases

The video introduces acids and bases, discussing their properties, sources, and applications. It covers various acids like citric, formic, and lactic acid, explaining their characteristics and uses. The video also explores bases, their properties, and everyday applications, such as in cleaning products. Additionally, it delves into the history and health effects of aerated drinks. The session concludes with a recap of the key points discussed.

What is one of the benefits of citric acid for the skin?

• It acts as a moisturizer.

• It reduces acne scars.

• It is a powerful antioxidant.

• It provides UV protection.

Which acid is responsible for the pain from ant and bee stings?

• Lactic acid

• Formic acid

• Citric acid

• Tartaric acid

What is a common use of acetic acid?

• In muscle formation

• As a preservative

• In fizzy drinks

• In making yogurt

What is a characteristic property of acids in aqueous solutions?

• They are non-conductive.

• They conduct electricity.

• They are sweet in taste.

• They are slippery to touch.

What is a common property of bases?

• They are sour in taste.

• They are soapy to touch.

• They are non-conductive.

• They are sweet in taste.

Which of the following is a base found in cleaning products?

• Citric acid

• Formic acid

• Lactic acid

• Sodium hydroxide

What is the role of bases in toothpaste?

• They provide color.

• They add flavor.

• They help in cleaning.

• They act as preservatives.

When did the mass production of soda water begin?

• Early 1800s

• Mid 1800s

• Late 1800s

• 1960s

What is a health effect of consuming aerated drinks?

• Weight loss

• Improved digestion

• Increased energy

• Tooth decay

What is a key difference between acids and bases?

• Acids are sour, bases are bitter.

• Acids are sweet, bases are salty.

• Acids are soapy, bases are slippery.

• Acids are bitter, bases are sour.