Chemical Reactions

AB + CD →AD + CB

• Double Replacement
• Single Replacement
• Synthesis
• Decomposition

2 C₅H₅ + Fe --> Fe(C₅H₅)₂ 

• single displacement
• double displacement
• decomposition
• synthesis

Which chemical reaction breaks down into 2 substances?

• Double displacement
• Single displacement
• Synthesis
• Decomposition

Which of the following is an example of synthesis?

• Na + Br₂ --> NaBr
• KClO₃ --> KCl + O₂
• HgO + Cl₂-->HgCl + O₂
• Cl₂ + NaBr --> NaCl + Br₂

A + BC →B + AC

• Single Replacement
• Decomposition
• Double Replacement
• Synthesis

NO₂ →N₂ + O₂

• Synthesis (combination)
• Decomposition
• Single replacement
• Combustion

Is burning wood a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Which of the following is NOT an example of a physical change?

• crumpled paper
• pencil sharpening
• shrunken clothing
• sour milk

Which is a chemical change?

• freezing fruit juice
• slicing a potato
• boiling water
• copper metal turning green

The force that holds 2 atoms together is called a ________________.

• Chemical Reaction
• Chemical Bond
• Diatomic Chemical
• Glue