Reaction Types

Question 1

Define a chemical reaction, reactants and products

Answer 1

Reactants= are the substances you started with before the chemical reaction
Products= formed by the chemical reaction
Chemical reaction= whole thing
E.g.
Sodium - chloride = sodium chloride
Reactants = sodium and chloride
Products = sodium chloride

Question 2

Give a general word equation to describe neutralisation

An acid and base reaction to produce a salt and water

Answer 2

Acid + alkali = salt + water

HCL+KOH= H20 + KCL

Question 3

Define what is meant by a decomposition reaction and provide an example

Answer 3

XY=X+Y
Breaking down a substance
E.g.
Sodiumchloride = sodium + chlorine