2.7 - Sheet1

Question 1

Term

Answer 1

Definition / Formula / Examples

Question 2

Combination Reaction

Answer 2

A reaction where two or more reactants (elements A and B) combine to form a single product (AB).

Question 3

General Formula: Combination

Answer 3

A + B -> AB

Question 4

Ionic Reaction (Type)

Answer 4

Specifically classified in the sources as a type of combination reaction.

Question 5

General Formula: Ionic Reaction

Answer 5

A + B -> AB

Question 6

Example: Ionic Reaction 2Na + Cl2

Answer 6

2Na + Cl2 -> 2NaCl

Question 7

Decomposition Reaction

Answer 7

The opposite of combination; a compound is split into smaller compounds or distinct elements.

Question 8

General Formula: Decomposition

Answer 8

AB -> A + B

Question 9

Simple Substitution (Metal)

Answer 9

A reaction where a metal (A) replaces another metal (B) in a compound (BC).

Question 10

Formula: Simple Substitution (Metal)

Answer 10

A + BC -> B + AC

Question 11

Simple Substitution (Non-metal)

Answer 11

A reaction where a non-metal (A) replaces another non-metal (C) in a compound (BC).

Question 12

Formula: Simple Substitution (Non-metal)

Answer 12

A + BC -> C + BA

Question 13

Double Substitution Reaction

Answer 13

A reaction between two ionic solutions that react to produce two new ionic compounds.

Question 14

General Formula: Double Substitution

Answer 14

AB + CD -> AD + CB

Question 15

Precipitate

Answer 15

An insoluble solid that forms within a solution during a double substitution reaction.

Question 16

Example: Double Substitution 3NaOH + FeCl_3

Answer 16

3NaOH + FeCl_3 -> 3NaCl + Fe(OH)3

Question 17

Neutralisation (Acide-Base)

Answer 17

A reaction where an acid reacts with a base to produce a salt and water.

Question 18

General Formula: Neutralisation

Answer 18

HX + MOH -> MX + H_2O

Question 19

Combustion Reaction

Answer 19

A rapid reaction of a compound with oxygen that forms an oxide and produces heat.

Question 20

Formula: Combustion (Hydrocarbons)

Answer 20

CH + O2 -> CO_2 + H_2O$