# data[].attributes.body
Upload a photo of your shampoo/soap that shows the presence of an alkali!

# data[].attributes.body
https://nhhs.padlet.org/wang_shiyun/preparation-of-salts-307-pi7ce7dyn6vaujku

Click on the above link to enter the Padlet for today's practical!

# data[].attributes.body
脂肪酸钠 RCOONA weak alkaline substance when dissolved in water

# data[].attributes.body
Write out a balanced chemical equation, with state symbols, and ionic equation for the reaction between copper(II) sulfate and sodium hydroxide. Suggest what you will observe for the reaction.

You can submit an image of your equations and type out your expected observations.

# data[].attributes.body
https://drive.google.com/drive/search?q=nhhs%20after:2023-05-18

# data[].attributes.attachment_link.description
Get access to files anywhere through secure cloud storage and file backup for your photos, videos, files and more with Google Drive.

# data[].attributes.body
https://drive.google.com/drive/search?q=nhhs%20after:2023-05-18

# data[].attributes.attachment_link.description
Get access to files anywhere through secure cloud storage and file backup for your photos, videos, files and more with Google Drive.

# data[].attributes.body
https://drive.google.com/drive/search?q=nhhs%20after:2023-05-18

# data[].attributes.attachment_link.description
Get access to files anywhere through secure cloud storage and file backup for your photos, videos, files and more with Google Drive.

# data[].attributes.body
Long exposure to aluminium dust causes lung problems, such as coughing or abnormal chest X-rays. In acidified lakes, concentrations of aluminium is the highest, number of fish and amphibians decline due to reactions of aluminium ions with proteins.

# data[].attributes.body
Some of the health effects exposure to mercury may cause include: irritation to the eyes, skin, and stomach; cough, chest pain, or difficulty breathing, insomnia, irritability, indecision, headache, weakness or exhaustion, and weight loss. Workers may be harmed from exposure to mercury.

Mercury is a concern because it is absorbed easily into the food chain. The harmful methylmercury form of mercury readily crosses biological membranes and can accumulate to harmful concentrations in the exposed organism and become increasingly concentrated up the food chain.