A gas which relights a glowing splint is
carbon dioxide nitrogen oxygen hydrogen
An example of a metal is
calcium iodine sulphur oxygen
An example of an element is
air limestone magnesium water
An example of a compound is
chlorine ethanol sodium sulphur
A substance which could be used to neutralise an acid could have a pH value of
2 5 7 10
A liquid which conducts electricity very well is
ethanol mercury sulphur water
When zinc is added to sulphuric acid the gas produced is
carbon dioxide hydrogen nitrogen oxygen
The pH value of lemon juice is about
3 7 10 14