The ____ caused corrosion.
Sodium hidroxide is an ______.
To ______ is to make a liquid weaker or thinner by adding more liquid, often water.
______ paper is used as an indicator in science.
A ______ is a threat from an event which will have a negative effect on humans.
The excess acid in this reaction can be neutralized by adding a weak alkali.
Scientists wanting to make a number of pH readings may use a pH meter.
Some mushrooms are _______ if eaten.
_______ is an acidic everyday household substance.
_______ is neither acid nor alkaline.
The gas released from the reaction happening in this experiment is very ________ for your eyes.
Running in a sprint is ________ exercise.
Acid is _________ to metal.
We use an _________ to tell us if our solution is an acid or an alkali.
Nitric acid is _________.
The effect of the acid is cancelled out by the alkali in this solution.