"Method of Separating Salt and Water" Dissolution PPT Courseware 6

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"Method of Separating Salt and Water" Dissolution PPT Courseware 6

Step 1: Hold the lamp pot with your left hand and open the lamp cap with your right hand.

Step 2: Use a match to light the alcohol lamp (bottom up)

Step 3: Use outer flame for heating (the outer flame has the highest temperature)

Step 4: Cover the lamp cap and extinguish the alcohol lamp (cover it twice)

1. Pour 5ML salt solution into the evaporating dish

2. Place the asbestos net on a tripod

3. Place an evaporating dish containing salt solution

4. Light the alcohol lamp

5. Heating and evaporation

6. The water is about to evaporate, remove the alcohol lamp

7. Use the residual temperature of the evaporating dish to continue evaporating water

Industrially, seawater is used to dry salt or well water or salt lake water is used to boil salt to precipitate salt crystals. The table salt produced in this way contains more impurities and is called coarse salt. Refined salt can be obtained from coarse salt through dissolution, precipitation, filtration and evaporation.

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For more information about the PPT courseware "Methods to Dissolve and Separate Salt and Water", please click the "Methods to Dissolve and Separate Salt and Water" ppt tag.

"Method of Separating Salt and Water" Dissolution PPT Download:

"Method of Separating Salt and Water" Dissolution PPT download Part 1: Will salt and water evaporate together? Experimental purpose: to verify whether salt and water evaporate together. Experimental materials: 1 cup of concentrated salt water, 1 cup of clean water. Experimental steps: (1) Dissolve the salt at the bottom of the cup. ..

"Method of Separating Salt and Water" Dissolve PPT:

"Methods to Separate Salt and Water" Dissolution PPT Part 1: Will salt and water evaporate together? Observe the concentrated salt water we collected in the experiment. There is still undissolved salt at the bottom of the cup. Use a pen to mark the level of concentrated salt water. Add water little by little..

"Method of Separating Salt and Water" Dissolution PPT Courseware 5:

"Method of Separating Salt and Water" Dissolution PPT Courseware 5 1. Experimental Purpose To explore whether salt becomes less after being separated from water. 2. Experiment preparation: Iron stand, asbestos net, alcohol lamp, beaker, glass rod, tweezers, measuring cylinder, water, salt, and balance. 3. Actual...

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Update Time: 2024-11-18

This template belongs to science courseware Fourth Grade Science Volume 1, Textbook Edition industry PPT template

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