Which of the following is/are in a liquid state normally?
A) Water B) Petrol C) Mercury D) All of these
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All of these, option d)
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D) all of these is the ans
bcz water is always liqiud
petrol always remain liquid at room temo
mercury is exceptional metal which always remain liquid at room temo
bcz water is always liqiud
petrol always remain liquid at room temo
mercury is exceptional metal which always remain liquid at room temo
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