SSC
BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following are NOT true?
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Water’s formula is H2O
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A molecule in which the charges are unevenly distributed is polar.
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In a mixture the compounds and elements are chemically combined.
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Like other molecules, water is neutral.
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Explanation:
Detailed explanation-1: -A mixture consists of two or more substances which may be elements, compounds or both mixed together physically in any proportion, but not chemically combined. However, a compound consists of two or more elements that are chemically combined in a fixed proportion.
Detailed explanation-2: -Detailed Solution The incorrect statement is Compounds have a variable composition. Compounds have a fixed composition throughout the mass, Hence Option 2 is Not true.
There is 1 question to complete.