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Question:

How to identify all natural products and petrochemical washing detergent

How to identify all natural products and petrochemical washing detergent

Answer:

And all natural products will be dissolved in water, can continue to use is not affected. Fluorescence experiments: the use of petrochemical products to wash things in the sun will appear color reflection, such as the rainbow in general, and all natural products will not happen.
White crystal powder. After adding water, the petrochemical product is insoluble in water and will not be reduced
Put on the fire, petrochemical products will be issued after burning stench, residues are black substances, all natural will not

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