MindMap Gallery water
This is a mind map about water, including water purification, Hard water and soft water, The composition of water, etc. Hope this mind map helps you!
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Chemistry acid and base learning
The secret of matter
water
Carbon and carbon compounds
Chemistry and life
Metal materials and alloys
Metal resources
Air
solubility
solution concentration
water purification
precipitation
Standing precipitation and adsorption precipitation
Remove insoluble impurities
filter
instrument
Iron stand, glass rod, beaker, funnel
Precautions
One post
Filter paper adheres to the inner wall of the funnel
Increase filtration rate
Second low
The edge of the filter paper is lower than the edge of the funnel
Prevent liquid from flowing out of funnel
The liquid level in the funnel is lower than the edge of the filter paper
Prevent liquid from flowing down from the gap between filter paper and funnel
Three things to rely on
The beaker is placed close to the middle and lower part of the drainage glass rod
Prevent liquid from splashing outside the funnel
The end of the glass rod leans against the three layers of filter paper
Prevent puncture of filter paper
The lower end of the funnel is close to the inner wall of the beaker
Prevent liquid from splashing and speed up flow rate
Adsorption
Remove some insoluble and soluble impurities, pigments and odors
distillation
Remove insoluble and soluble impurities
Hard water and soft water
concept
hard water
Water containing more soluble calcium and magnesium compounds
soft water
Water containing no or less soluble calcium and magnesium compounds
identify
soapy water
less foam
Lots of bubbles
soften
Life
boiled
laboratory
composition of water
hydrogen
physical properties
Colorless and odorless gas
Denser than air
Hardly soluble in water
chemical properties ''
Flammability-purity test
Water is composed of hydrogen and oxygen elements