Question

Ca cacl2 ca oh 2 ca (no3)3-caso4

Answer 1

Ответ:

Ca+2HCl➡CaCl2+H2

2CaCl+H2O➡2Ca(OH)2+2Cl

Ca(OH)2+2HNO3➡Ca(NO3)2+2H2O

Ca(NO3)2+H2SO4➡CASO4+2HNO3

Answer 2

It seems like you've provided a list of chemical compounds. Here's some information about each of them:

1. CaCl2: Calcium chloride. It is an inorganic compound composed of calcium and chlorine. It is commonly used as a drying agent, a desiccant, and for de-icing roads during winter.

2. Ca(OH)2: Calcium hydroxide, also known as slaked lime or hydrated lime. It is a white powder with many applications, such as in the production of cement, as a flocculant in water treatment, and in the food industry as a pH regulator.

3. Ca(NO3)2: Calcium nitrate. It is an inorganic compound composed of calcium, nitrogen, and oxygen. Calcium nitrate is commonly used as a fertilizer due to its high solubility and as a component in explosives.

4. CaSO4: Calcium sulfate. It is a white crystalline solid that occurs naturally as the mineral gypsum. Calcium sulfate has various applications, including in the production of plaster of Paris, as a soil conditioner, and as an ingredient in some foods and pharmaceutical products.

Please let me know if you have any specific questions or if there's anything else I can assist you with!