Sodium Bicarbonate Decomposition Reactions

The video tutorial explains the decomposition of sodium bicarbonate, also known as baking soda, into its constituent substances. It identifies the reaction as a decomposition type and provides a step-by-step guide to balancing the chemical equation. The tutorial also discusses the states of matter involved in the reaction, noting that water may be in a gaseous state if heated. The video concludes with a summary of the balanced equation and the reaction type.

What is the common name for sodium bicarbonate?

• Baking soda

• Table salt

• Vinegar

• Sugar

What is the chemical formula for sodium bicarbonate?

• Na2CO3

• NaHCO3

• NaOH

• NaCl

What type of reaction is the decomposition of sodium bicarbonate?

• Synthesis

• Single replacement

• Double replacement

• Decomposition

Which element is not present in sodium bicarbonate?

• Sodium

• Hydrogen

• Chlorine

• Carbon

How many sodium atoms are present on the reactant side before balancing?

• One

• Four

• Three

• Two

What is a common mistake when balancing the decomposition equation?

• Counting too many hydrogen atoms

• Ignoring the sodium atoms

• Not counting all carbon or oxygen atoms

• Adding extra water molecules

What coefficient is added in front of NaHCO3 to balance the equation?

• 4

• 3

• 2

• 1

After balancing, how many oxygen atoms are there on each side of the equation?

• Seven

• Five

• Four

• Six

What happens to water in the decomposition reaction when heated?

• It becomes a gas

• It remains a liquid

• It turns into a solid

• It decomposes further

What is the result of the decomposition of sodium bicarbonate?

• Sodium chloride and water

• Carbon dioxide, water, and sodium carbonate

• Hydrogen gas and oxygen

• Methane and carbon monoxide