Types of Chemical Reactions - 5th

Front

Classify the reaction: 4Si + S₈ --> 2Si₂S₄ (Options: Synthesis, Decomposition, Single displacement, Double displacement)

Back

Synthesis

Front

3Ca + 2AlCl₃ --> 3CaCl₂ + 2Al
Options: Synthesis, Decomposition, Single displacement, Double displacement

Back

Single displacement

Front

3KOH + H₃PO₄ --> K₃PO₄ + 3H₂O
Options: Synthesis , Decomposition, Single displacement, Double displacement

Back

Double displacement

Front

Classify the reaction: 2Pb(NO₃)₂ --> 2PbO + 4NO₂ + O₂ (Options: Synthesis, Decomposition, Single displacement, Combustion)

Back

Decomposition

Front

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

Back

Reactants

Front

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

Back

Products

Front

What are the PRODUCTS of the chemical reaction pictured? Options: CH₄ and CO₂, CH₄ and O₂, CO₂ and H₂O, O₂ and H₂O

Back

CO₂ and H₂O

Front

In the equation CH₄ + 2 O₂ → CO₂ + 2H₂O, CH₄ is a

Back

reactant

Front

Which of the following models best demonstrates a balanced chemical equation? Options: F, G, H, J

Back

F

Front

What is the mass of H₂O in the reaction above? Options: 70.01, 24.11, 21.44, 48.22

Back

24.11