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Efflorescence refers to the process where wet particles decrease in size through losing water to eventually crystallize out. An example of an efflorescent substance is the common Copper(II) sulfate crystal (CuSO4.5H2O), a blue crystalline solid that when exposed to air, slowly loses water of crystallization from its surface to crystallise to form a white layer of anhydrous copper(II) sulfate.
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What is the difference between efflorescent and hygroscopic?
Efflorescent substances (e.g. sodium carbonate decahydrate, copper(II) sulfate pentahydrate) lose some or all of their water of crystallisation when exposed to the air. Hygroscopic substances (e.g. concentrated sulphuric acid, calcium oxide) absorb water from the atmosphere but do not dissolve in it.
Is an efflorescent substance?
efflorescent substances are those substances which when exposed to atmosphere lose moisture(woc) partially or completely and changes into an amorphous powder.eg-Cuso4.5H2o when exposed to atmosphere changes into Cuso4+5H2o
What are examples of substances that are elements?
Examples of substances that are elements include hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, and neon
What are some other examples of toxic substances besides the keyword?
Some other examples of toxic substances include lead, mercury, arsenic, and asbestos. These substances can be harmful to human health and the environment if not handled properly.
What is the substances as alkaline or acidic?
Substances that have a pH level above 7 are considered alkaline or basic, while substances with a pH level below 7 are considered acidic. Examples of alkaline substances include baking soda and soap, while examples of acidic substances include lemon juice and vinegar.
What is the difference between deliquesent and efflorescent compounds?
efflorescent substances are substances which looses moisture partly or completely to the atmosphere and changes in to amorphous powder. deliquecent substances are substances which absorb moisture from the atmosphere and turn into a saturated solution.
What is the difference between efflorescent and hygroscopic?
Efflorescent substances (e.g. sodium carbonate decahydrate, copper(II) sulfate pentahydrate) lose some or all of their water of crystallisation when exposed to the air. Hygroscopic substances (e.g. concentrated sulphuric acid, calcium oxide) absorb water from the atmosphere but do not dissolve in it.
What are examples of efflorescent substances?
Efflorescence refers to the process where wet particles decrease in size through losing water to eventually crystallize out. An example of an efflorescent substance is the common Copper(II) sulfate crystal (CuSO4.5H2O), a blue crystalline solid that when exposed to air, slowly loses water of crystallization from its surface to crystallise to form a white layer of anhydrous copper(II) sulfate.
What is a efflorescent?
A state or time of flowering
Is an efflorescent substance?
efflorescent substances are those substances which when exposed to atmosphere lose moisture(woc) partially or completely and changes into an amorphous powder.eg-Cuso4.5H2o when exposed to atmosphere changes into Cuso4+5H2o
What are the example of efflorescent and deliquescent substance?
efflorescent- washing soda, copper sulphate, glauber salt deliquescent -calcium chloride, sodium hydroxide, iron3 chloride
Is potassium hydroxide hygroscopic efflorescent or deliquescent?
Potassium hydroxide is hygroscopic and deliquescent.
What are examples of substances that are elements?
Examples of substances that are elements include hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, and neon
5 examples of substances?
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What are examples of neutral substances?
water
Identify the three states of matter and give two examples of substances in each state?
The three states of matter are solid, liquid, and gas. Examples of substances in the solid state are ice and diamond. Examples of substances in the liquid state are water and ethanol. Examples of substances in the gas state are oxygen and helium.
What is Sugar and honey are examples of?
Sweet substances.
