Zinc Reactions and Properties

The video tutorial explains how to write and balance the chemical equation for the reaction between zinc and sodium hydroxide, resulting in sodium zincate and hydrogen gas. It details the states of the reactants and products, and demonstrates the balancing process. Additionally, it discusses zinc's amphoteric nature, highlighting its ability to react with both acids and bases.

What is the product formed when zinc reacts with sodium hydroxide?

• Zinc chloride

• Sodium zincate

• Zinc sulfate

• Sodium chloride

What is the physical state of zinc in the reaction with sodium hydroxide?

• Aqueous

• Solid

• Liquid

• Gas

Which of the following is a gas in the reaction between zinc and sodium hydroxide?

• Hydrogen

• Sodium zincate

• Sodium hydroxide

• Zinc

How many sodium atoms are present on the product side of the balanced equation?

• One

• Two

• Three

• Four

What is the coefficient of sodium hydroxide in the balanced equation?

• Two

• Four

• One

• Three

What type of metal is zinc, based on its ability to react with both acids and bases?

• Noble

• Reactive

• Amphoteric

• Alkaline

Which acid is mentioned as reacting with zinc in the video?

• Hydrochloric acid

• Sulfuric acid

• Acetic acid

• Nitric acid