Chemical Reactions Assessment

This pictures simulates what type of reaction?

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement

Tags

NGSS.MS-PS1-2

What is the left part of a chemical equation called?
H_{2 +} O → H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

In a chemistry class, Jackson and Liam are combining substances to form a new substance during a lab experiment. What is this process called?

• Displacement

• Synthesis

• Decomposition

• Oxidation

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In a chemistry lab, Daniel is tasked with breaking down a substance into simpler substances. What is this process called?

• Displacement

• Synthesis

• Decomposition

• Oxidation

In a science class, Aria demonstrated a reaction where carbon (C) combines with oxygen (O₂) to form carbon dioxide (CO₂). What type of reaction is this?

• Synthesis Reaction

• Decomposition Reaction

• Single Displacement Reaction

• Double Displacement Reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What type of reaction is the equation 2NaCl →2Na +Cl₂?

• Synthesis Reaction
• Decomposition Reaction
• Single Displacement Reaction
• Double Displacement Reaction

In a cold pack, which type of reaction draws heat from the surroundings?

• exothermic
• endothermic
• exergonic

Tags

NGSS.MS-PS1-4

In a chemistry class, Olivia observes a reaction where a single compound breaks down into simpler substances. Which equation best represents this decomposition reaction observed by Olivia?

• A + BC → AC + B

• A + B → AB

• AB → A + B

During a chemistry class, Henry is asked to identify the type of reaction in a lab experiment where two substances combine to form a single product. Which generalized equation represents this synthesis reaction?

• A + BC → AC + B

• A + B → AB

• AB → A + B

Tags

NGSS.MS-PS1-1

Priya is conducting a chemistry experiment to demonstrate a single displacement reaction. Which equation best represents this type of reaction?

• A + BC → AC + B

• A + B → AB

• AB → A + B