Demo Public Grade 10 Science Types of Chemical Reactions

Which chemical reaction corresponds to the given general formula:

A + CD → C + AD?

• Synthesis

• Decomposition

• Single Displacement

• Double Displacement

• Combustion

Compound ---> Element + Element

• Synthesis

• Decomposition

• Single Displacement

• Double Displacement

• Combustion

Which chemical reaction corresponds to the given general formula:

AB + CD --> CB + AD

• Synthesis

• Decomposition

• Single Displacement

• Double Displacement

• Combustion

Which chemical reaction corresponds to the given general formula:

C x ​ H y ​ + O 2 ​ −>CO 2 ​ + H 2 ​ O

• Synthesis

• Double Displacement

• Single Displacement

• Combustion

• Decomposition

What is the general reaction scheme for a decomposition reaction?

• A + B --> AB

• AB --> A + B

• A + CD --> C + AD

• AB + CD --> CB + AD

• C x ​ H y ​ +O 2 ​ −> CO 2 ​ +H 2 ​ O

What kind of reaction is represented by the following equation?

BaCl 2 ​ +2KI −> 2KCl + BaI 2 ​

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

What is the number before a chemical formula is called?

Example: 2H₂ + O₂ ---> 2H₂O

• Coefficient

• Atom

• Subscript

• Equation

• Combustion

What is the term used to describe the section on the left side of a chemical equation?

• Reactants

• Products 

• Atoms

• Chemical Equation 

Which chemical reaction always starts with a hydrocarbon that reacts with oxygen and produces carbon dioxide and water?

• Decomposition

• Synthesis

• Combustion

• Single Displacement

• Double Displacement