GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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air
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granite
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water
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stainless steel
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Detailed explanation-1: -Iron, steel, and water are some of the examples of a pure substance. Air may be a homogeneous mixture that’s often considered to be a pure substance. As we know diamond, sucrose, honey, and air all are pure substances. Pure water has two hydrogens and one oxygen atom.
Detailed explanation-2: -Water, H2O, is a pure substance, a compound made of hydrogen and oxygen. Although water is the most abundant substance on earth, it is rarely found naturally in its pure form.
Detailed explanation-3: -Ice, Iron, Hydrochloric acid, Calcium oxide, and Mercury are pure substances because their chemical compositions are the same throughout.
Detailed explanation-4: -Water is a pure substance because it only contains one type of molecule. Pure water contains only molecules that are a combination of one oxygen atom covalently bonded to two hydrogen atoms.
Detailed explanation-5: -Water (H2O) is a pure substance. It is a compound made of hydrogen and oxygen.