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Chromatography is a way of separating a mixture of chemicals which are in gas or liquid form. when the paper absorbs the liquid, the different colours from the colouring pencils will not be separated because they are insoluble solid pieces,also because they are solid the colours will not be able to creep up the paper which is why chromatography can not be used to separate different coloured pencils.
Answer:
B
Explanation:
This creates a buffer solution meaning it will just neutralize out and does not change the PH massively.
Answer:
Because Iodine is a non-polar but water is polar therefore it can not have a hydrogen bond or any permanent dipole-dipole interactions
Answer:
True
Explanation:
Technology has been mans best friend for a while due to the fact that they can make things to help others and create more jobs and help everyone overall.
