What must be added in order to neutralise an acidic solution?
Respuesta
An alkaline
sugar
Pregunta 2
Pregunta
What can kerosene be used for?
Respuesta
Aircraft fuel
Car fuel
Tar for roads
Ship fuel
Pregunta 3
Pregunta
Evaporation is when liquid turns into gas above it's boiling point.
Respuesta
True
False
Pregunta 4
Pregunta
[blank_start]Soluble[blank_end]- something is this if it will dissolve
Respuesta
Soluble
Pregunta 5
Pregunta
Solvent is the [blank_start]liquid[blank_end] part of the solution.
Respuesta
liquid
solid
salt
gas
Pregunta 6
Pregunta
Ethanol is a [blank_start]stronger[blank_end] solvent than water.
Respuesta
stronger
Pregunta 7
Pregunta
What is the air hole setting on a Bunsen burner when lighting it?
Respuesta
Full open
Half open
Closed
Pregunta 8
Pregunta
What temperature does ice melt in?
Respuesta
100°c
0°c
200°c
Pregunta 9
Pregunta
Water is pH 7
Respuesta
True
False
Pregunta 10
Pregunta
To check if elderberries can be used as an indicator:
Crush the berries
add [blank_start]water[blank_end]
Add the juice to acid and alkali samples
See if the [blank_start]colour[blank_end] changes