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i makes calcium hydroxide when exposed to water and heats up the water

calcium oxide can burn you as in contact with water in the eyes can make you blind as it reacts with the water and eventually boiling the water do not eat it as it will react with the water in your mouth and burn you it was used in greek fire as soilders would try to put it out with water the calcium oxide would boil of the water while causing fire and chemical burns

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13y ago

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What two elements make up calcium oxide CaO?

Calcium (Ca) and Oxygen (O) are the two elements that make up calcium oxide.


What element make up calcium oxide?

calcium and oxygen combine to form calcium oxide(CaO).it is also called quick lime.


What do calcium and oxygen make when they react?

No. Oxygen is an electron receptor (oxidizer) whereas Ca is a doner.


Does calcium carbonate decompose to make calcium oxide and water?

Calcium oxide, or quicklime, can be decomposed chemically into its components, calcium and oxygen. Calcium is an element and cannot be decomposed chemically.


How do you make anhydrous calcium chloride from calcium oxide?

To make anhydrous calcium chloride from calcium oxide, you would react calcium oxide with hydrochloric acid (HCl). This reaction will yield calcium chloride and water. The water produced in the reaction will need to be removed to obtain anhydrous calcium chloride.


What is the word equation for extraction of calcium from calcium oxide by electrolysis?

The word equation for the extraction of calcium from calcium oxide by electrolysis is: Calcium oxide (solid) -> Calcium (liquid) + Oxygen gas.


What does hydrochloric acid and calcium oxide make?

Calcium + water. Chloride Since it is a neutralisation reaction: Acid + metal oxide = salt + water Hydrogen Calcium Calcium Water Chloride + Oxide = Chloride +


What is calcium oxide?

calcium oxide is calcium combine whit oxygen


How much elemental Calcium is there in Calcium oxide?

There is no elemental calcium in calcium oxide. Calcium oxide is a compound made up of calcium and oxygen atoms bonded together. When calcium oxide reacts with water, it forms calcium hydroxide, which contains calcium ions but not elemental calcium.


What elements make up a Calcium oxide atom?

A calcium oxide atom is composed of one calcium (Ca) atom and one oxygen (O) atom. These two atoms combine through ionic bonding to form the compound calcium oxide (CaO).


Is calcium oxide illegal?

Calcium oxide is legal.


What does calcium oxide mean?

CaO is calcium oxide