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Is calcium oxide is a pure substance?
Yes. Calcium oxide is a compound which is a type of pure substance.
Is calcium oxide a pure substances?
Yes. Calcium oxide is a compound which is a type of pure substance.
Is aluminum oxide an heterogeneous mixture?
Pure quicklime is calcium oxide, which is a compound, not a mixture. Commercially available supplies may be mixtures, as they are made from naturally occurring limestone, which may not be pure calcium carbonate. However such impure mixtures are usually pretty homogeneous.
Is calcuim a mixture or pure substance?
Calcium is an element and therefore a pure substance.
Is laughing gas a pure substance or a mixture?
Pure. (Its nitrous oxide.)
Is glass a mixture or a pure?
a substance because glass needs a chemical reaction
Is CaCl2 a pure substance or mixture?
CaCl2 is a pure substance. It is a compound made of calcium and chlorine in a fixed ratio.
Is nitrous oxide a pure substance colloid solution or heterogeneous mixture?
Nitrous oxide is a mixture of two or more substances. Therefore, it is a heterogeneous substance. An example of a colloid mixture would be blood.
Which element did Davy obtain from Lime?
Davy obtained the element Calcium from Lime by electrolyzing a mixture of lime (calcium oxide) and mercury oxide, which resulted in isolating pure calcium metal.
Is calcium heterogeneous homogeneous mixture?
Calcium itself is an element and is a pure substance, so it is a homogeneous material. It is not a mixture at all.
What colour is calcium oxide?
Pure calcium oxide is white.
Is aluminum oxide a mixture?
No, aluminum oxide is a compound composed of aluminum and oxygen atoms bonded together in a fixed ratio. It is a chemical compound, not a mixture.
