In which of the following groups does each object exist as a solid at room temperature?
I. Mercury, iron, gold
II. Stone, sugar, cork
III. Copper, mercury, gold
IV. Salt, honey, ink
AI, II and III only
BII only
CII and III only
DIII only
In which of the following groups does each object exist as a solid at room temperature?
I. Mercury, iron, gold
II. Stone, sugar, cork
III. Copper, mercury, gold
IV. Salt, honey, ink
AI, II and III only
BII only
CII and III only
DIII only