Though oxygen is a supporter of combustion and hydrogen is combustible, water - a compound of hydrogen and oxygen - is neither combustible nor supports combustion. Which of these correctly suggests why?
A. The constituents of a compound negate each other's properties
B. The properties of a compound differ from the properties of its constituents
C. Water is a mixture having 2 parts of hydrogen for every part of oxygen
D. Water is not at all effective in fighting petrol and some other fires.
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B ) The properties of a compound differ from the properties of its constituents
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