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What change is addition of water to calcium oxide leading to?
The addition of water to calcium oxide (CaO) leads to the formation of calcium hydroxide (Ca(OH)₂), also known as slaked lime. This reaction is exothermic, releasing heat and resulting in a solid that is soluble in water. Calcium hydroxide can further react with carbon dioxide in the air to form calcium carbonate (CaCO₃), which is a key component in various construction materials.
What happens when iron oxide is mixed with water?
When iron oxide (rust) is mixed with water, it undergoes a chemical reaction where it reacts with the water to form hydrated iron oxide. This reaction typically leads to the formation of a reddish-brown sludge or solution, depending on the concentration of the iron oxide and the amount of water present.
When magnesium burns in air in addition to the oxide being formed what other product will be formed?
water
Is rust forming on the metal gate is a physical or chemical change?
Rust forming on a metal gate is a chemical change. It is a result of a chemical reaction between iron, oxygen, and water, which leads to the formation of iron oxide (rust).
What is the balanced equation for the addition water to quicklime?
The balanced equation for the addition of water to quicklime, which is calcium oxide (CaO), is: CaO + H2O → Ca(OH)2.
Can sodium oxide change to sodium chloride?
Oxide can not change to chloride, so the actual answer is no. However- if you put sodium oxide together with hydrochloric acid it will end up as sodium chloride and water (and a lot of noise, probably).
Why is it possible to change ice into water but not into glass?
Ice is H2O, dihydrogen oxide. So is water. To affect the change one only needs change the state or phase of the material. Glass is silicon oxide, SiO. To form this you would have to transmute water's hydrogen into silicon, an entirely different element.
Is iron rusts a physical or a chemical change?
Rusting of iron is a chemical change because it involves a chemical reaction between iron, oxygen, and water to form iron oxide (rust). This reaction leads to the formation of a new substance with different properties from the original iron.
How does the addition of lye change the properties of water?
The addition of lye to water increases its pH level, making it more alkaline. This can change the properties of water by making it more caustic and potentially harmful if not handled properly.
Is the addition of water to concentrated sulphuric acid chemical or physical change?
Chemical change
What oxide turns red litmus paper to blue when dissolved in water?
An oxide that turns red litmus paper blue when dissolved in water is typically a basic oxide, such as sodium oxide (Na2O) or potassium oxide (K2O). When these oxides dissolve in water, they form alkaline solutions, increasing the pH and causing the red litmus paper to change color to blue. This indicates the presence of a basic substance in the solution.
Is hydrogen oxide water?
Yes. Hydrogen oxide is water.
