Crime busters Mixed Practice

Front

What reduces in Benedict's Reagent?

Back

Sugar (e.g., glucose, fructose) reduces Benedict's Reagent, indicating the presence of reducing sugars.

Front

What is a shiny, yellowish tint that is not malleable and reacts with HCl?

Back

Tin is a shiny, yellowish metal that is not malleable and reacts with hydrochloric acid (HCl).

Front

What turns dark forest green when mixed with Benedict's Reagent and Iodine?

Back

Baking Soda can cause a color change when mixed with Benedict's Reagent and Iodine.

Front

Which of the following are sugars?

Back

Fructose, sucrose, lactose, galactose, maltose, and dextrose are all types of sugars.

Front

What turns from orange to green when oxidized?

Back

Copper turns from orange to green when it undergoes oxidation.

Front

What is Benedict's Reagent used for?

Back

Benedict's Reagent is used to test for the presence of reducing sugars.

Front

What is the chemical reaction of tin with hydrochloric acid?

Back

Tin reacts with hydrochloric acid to produce tin(II) chloride and hydrogen gas.

Front

What color indicates a positive test for reducing sugars with Benedict's Reagent?

Back

A color change from blue to green, yellow, or brick red indicates a positive test for reducing sugars.

Front

What are the characteristics of reducing sugars?

Back

Reducing sugars can donate electrons to other molecules, typically containing an aldehyde or ketone group.

Front

What is the significance of color changes in chemical reactions?

Back

Color changes can indicate the occurrence of a chemical reaction and the formation of new substances.