Which of the following is in liquid form at room temperature?
A). Lithium
B). Sodium
C). Francium
D). Cerium
Francium
The only liquid elements at standard temperature and pressure are bromine (Br) and mercury (Hg). Although, elements caesium (Cs), rubidium (Rb), Francium (Fr) and Gallium (Ga) become liquid at or just above room temperature.
1. What Is the full form of AM regarding radio broadcasting?
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4. Who developed Hydrogen Bomb?
5. One of the following is used to dissolve noble metals.That is
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7. Little leaf disease develops due to deficiency of—
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