Blue and yellow are both primary colours. You would obtain blue and yellow pigments from chemicals or minerals. Examples include cobalt (blue) or ochre (yellow). Mixing blue and yellow makes green.
Chlorine does not make your pee turn blue it makes you have diaria
figure it out yourself(:
Blue - 2012 Make Yourself at Home 2-11 was released on: USA: 22 March 2013
give it mostly running animals until it is 3 years old then it will start to turn blue
Co2
No. They are two different varieties.
You can't add anything to orange to make blue.
To make hydrangea flowers turn blue, you can adjust the acidity of the soil by adding aluminum sulfate or other acidifying agents. This helps the plant absorb aluminum, which turns the flowers blue.
Turn on the shower faucet.
Food coloring, and other dyes.
iodine
The alkali makes a universal indicator turn blue.