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what is liquid at room temperature class 9 which metal is liquid at room temperature class 9 which non metal is liquid at room temperature class 9 name the metal which is liquid at room temperature class 9 water is liquid at room temperature class 9 name a non metal which is liquid at room temperature class 9 why mercury is liquid at room temperature class 9 why water is liquid at room temperature class 9th why is water liquid at room temperature class 9 short answer why is water liquid at room temperature class 9 ncert
