SOF National Science Olympiad (NSO/ISO)
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NSO Level 1
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2024
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Sample
Which of the following metals is liquid at room temperature?
Explanation
Explanation
Mercury is the only metal that exists in liquid form at room temperature, which makes it useful in thermometers and barometers.
PRO TIP
Re-check your working by substituting the answer back into the original question.
Related Questions
A student records the potential difference (V) across a resistor and the current (I) through it:
V (volt): 2, 4, 6, 8
I (ampere): 0.5, 1.0, 1.5, 2.0
Find the resistance of the resistor and the power consumed when V = 8 V.
A child has thin arms and legs, a swollen belly and swelling of the feet (oedema), and his diet is rich in starch but very poor in protein. He is most likely suffering from a deficiency of: