Reactivity of Metals Quiz

Which group of metals is known as the alkali metals?

• Group 3

• Group 2

• Group 4

• Group 1

What is the purpose of storing alkali metals in oil?

• To prevent them from melting

• To protect them from reacting with oxygen or moisture

• To make them more reactive

• To keep them shiny

What is the product formed when lithium reacts with water?

• Lithium carbonate

• Lithium chloride

• Lithium oxide

• Lithium hydroxide

What color does the universal indicator turn when lithium reacts with water?

• Red

• Green

• Yellow

• Purple

Which alkali metal reacts the fastest with water?

• Lithium

• Sodium

• Potassium

• Calcium

Tags

NGSS.HS-PS1-2

What is the gas produced when alkali metals react with water?

• Hydrogen

• Oxygen

• Nitrogen

• Carbon dioxide

What is the main observation when sodium reacts with water?

• It remains unchanged

• It changes color

• It melts into a ball and moves quickly

• It sinks to the bottom

Tags

NGSS.HS-PS1-2

What is the flame color observed when potassium reacts with water?

• Green

• Blue

• Red

• Lilac

What type of reaction occurs when metals react with hydrochloric acid?

• Decomposition

• Endothermic

• Exothermic

• Neutralization

What is the purpose of using an insulated cup in the metal and acid reaction?

• To prevent the reaction

• To reduce heat loss

• To increase the reaction rate

• To change the color of the solution

Tags

NGSS.HS-PS3-4