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