Science 8th

What type of reaction does this graphic represent?

• Decomposition
• Double-replacment
• Single-replacment
• Synthesis

What type of reaction does this graphic represent?

• Decomposition
• Double-replacement
• Single-replacment
• Synthesis

What type of reaction does this graphic represent?

• Decomposition
• Double-replacment
• Single-replacement
• Synthesis

What type of reaction does this graphic represent?

• Decomposition
• Double-replacment
• Single-replacment
• Synthesis

What type of reaction is shown in the following chemical equation:
NH₃ + HCl → NH₄Cl?

• Decomposition
• Double-replacement
• Single-replacement
• Synthesis

What type of reaction is this?
CaBr₂ + Na₂CO₃ → CaCO₃ + 2NaBr.

• Decomposition
• Double-replacement
• Single-replacement
• Synthesis

Which of the following is a balanced chemical equation?

• AgNO₃ + NaCl → 4AgCl + 2NaNO₃
• 2AgNO₃ + 2NaCl → 3AgCl + 2NaNO₃
• AgNO₃ + NaCl → AgCl + NaNO₃
• AgNO₃ + 2NaCl → AgCl + 3NaNO₃

Each substance on the left side of the arrow in a chemical equation is a ____.

• catalyst
• coefficient
• product
• reactant

If heat must be added to a chemical reaction for the reaction to take place (ex.- baking a cake), the reaction is ____.

• balanced
• endothermic
• exothermic
• non-thermic

A substance that speeds up a chemical reaction without being permanently changed itself is a(n) ____.

• catalyst
• coefficient
• inhibitor
• reactant