Q:Potassium permanganate is not used when it will bring those hazards?

Inhalation can cause respiratory damage. Splashed eyes, to stimulate the conjunctiva, severe cases caused by burns. Stimulate the skin. Concentrated solution or crystal is corrosive to the skin, irritating to the organization and easy to contaminate the skin. Oral erosion of the mouth and digestive tract, there mouth burning sensation, upper abdominal pain, nausea, vomiting, oropharyngeal swelling and so on. Oral dampness, oral mucosal black stained brownish black, swelling erosion, stomach bleeding, liver and kidney damage, severe abdominal pain, vomiting, bloody stool, shock, and finally died of circulatory failure, the product of pure lethal dose of about 10g.

Q:How much of the body's inorganic salts account for the weight of the body?

The inorganic salts in the human body account for about 5%

Q:What are the properties of acid?

. Make purple litmus test solution red, colorless phenolphthalein does not change

Q:What is salt oxide, what is not salt oxide?

Can not react with acid or alkali to produce the corresponding price of salt and water oxide is called non-salt oxide.

Q:The difference between the ignition of inorganic salts and organic matter

Calcium is an important part of bones. Calcium deficiency can lead to osteomalacia, osteoporosis and so on. China Nutrition Society recommended 18-50 adult calcium intake of the appropriate daily intake of 800 mg; 50 years old after the elderly taste 1000 mg. Common calcium-rich foods are milk, yogurt, oatmeal, sea cucumber, shrimp, wheat, soybean meal, soy products, lily and so on.

Q:What is the concept of acid?

Sad; sad: ~ Chu | heart ~.

Q:Like the role of B, Fe, Mg, Ca, Mn, Cu, Cl, P, S, N ...., the more specific the better (college entrance examination range)

1. constitute the body tissue material .2. Regulate the physiological function .3. To participate in the regulation of body fluid balance and maintain the body's acid-base balance .4 cells of some complex compounds of the important components

Q:If you boil down salt to a vapor form and breathe it in, can it kill you? or do you have to mix it with another chemical for it to become deadly. (Or will the vapor be so hot it will burn your lungs)

The boiling point of salt is incredibly high. Like thousands of degrees Celsius high. If you can actually manage to boil salt I would not recommend inhaling it.

Q:Sodium bicarbonate is not an inorganic salt

Yes, organic refers to salts with carbon skeleton chains other than carbon and carbon oxides and carbonates, so sodium bicarbonate is an inorganic salt

Q:Think about the physical and chemical properties of salt and sugar. What properties do these substances have in common? Describe which properties you could use to distinguish between them. What properties and units would you use to describe their physical and chemical characteristics? List as many as you can.

I believe it's Physical, most of the times such changes are physical, melting point, sublimation, evaporation, etc.