NURSING EXAM QUESTIONS
BIOCHEMISTRY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Yes
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No
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Either A or B
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None of the above
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Detailed explanation-1: -Water is a compound because of the following reasons: It is composed of two different elements, hydrogen and oxygen which cannot be separated by physical methods.
Detailed explanation-2: -Water is also a compound because it is made from more than one kind of element (oxygen and hydrogen). If you like, you can say that water is a molecular compound.
Detailed explanation-3: -Water molecules are made up of two elements: hydrogen and oxygen. They are connected in the case of water, but they can be separated through Electrolysis of water. Of course, water in modern times is known as a compound of 2 H and 1 O.
Detailed explanation-4: -Atoms join together to form molecules. A water molecule has three atoms: two hydrogen (H) atoms and one oxygen (O) atom. That’s why water is sometimes referred to as H2O. A single drop of water contains billions of water molecules.
Detailed explanation-5: -The formula is simple, but H2O is one of the most remarkable substances in the universe. Illustration by Traci Daberko for USC Dornsife Magazine. It’s something of an enigma: a compound composed of just two chemical elements, one of which is the simplest in the known universe.