'(Sofia of the Clue Crew demonstrates.)  When I put lemon juice on litmus paper, the resulting color tells me where on this scale it belongs'
the pH scale
CHEMISTRY: When I put lemon juice on litmus paper, the resulting color tells me where on this scale it belongs
When I put lemon juice on litmus paper, the resulting color tells me where on this scale it belongs
When I put lemon juice on litmus paper, the resulting color tells me where on this scale it belongs
CHEMISTRY
the pH scale
CHEMISTRY