Question : Which of the following metals has the least melting point?
Option 1: Gold
Option 2: Silver
Option 3: Mercury
Option 4: Copper
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Correct Answer: Mercury
Solution : The correct option is Mercury.
Mercury has the lowest melting point among gold, silver, mercury, and copper. Its melting point is -38.83 degrees Celsius. Gold has a melting point of 1,064 degrees Celsius, silver at 961.8 degrees Celsius, and copper at 1,085 degrees Celsius. Due to its low melting point, mercury remains in a liquid state at room temperature, distinguishing it from the solid states of gold, silver and copper.
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Question : Which of the following metals contribute to biomagnification problem in the ecosystem?
Option 1: Mercury
Option 2: Chromium
Option 3: Copper
Option 4: Lead
Question : Which of the following elements has the lowest melting point?
Option 1: Sodium
Option 2: Tin
Option 3: Radon
Option 4: Radium
Question : Which among the following alloys is made up of copper and zinc?
Option 1: Monel Metal
Option 2: Magnalium
Option 3: Rolled Gold
Option 4: Dutch Metal
Question : Which of the following statement(s) is/are correct?
Option 1: Oxides of non-metals are basic
Option 2: Oxides of non-metals are acidic
Option 3: Oxides of metals are acidic
Option 4: All options are correct
Question : The "king of metal" is:
Option 1: gold
Option 2: silver
Option 3: iron
Option 4: aluminium
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