8.2 🧠 classifying reactions

A reaction involves two substances as reactants and produces one compound. Which type of reaction is it likely to be?

• decomposition

• Single-Replacement

• Synthesis

• Double- replacement

What kind of reaction does the following generic equation represent? A + BX → AX + B

• Double- Replacement

• Synthesis

• Single-Replacement

• Decomposition

According to the activity series, which of the metals is most active?

• Tin

• Sodium

• Lithium

• Gold

Which of the following is NOT true about balancing chemical equations?

• Subscripts should never be changed to balance the equation.

• Coefficients are written in their lowest possible ratio.

• Coefficients are changed to make the number of each element equal on both sides.

• Subscripts are changed to make the number of each element equal on both sides.