. Which of the following statement is or are incorrect? *
A. Mercury expands easily on heating.
B. Mercury is easily visible being shining and opaque.
C. Mercury is considered as a toxic substance.
D. Mercury is not a liquid metal.
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Answer:
d) Mercury is not a liquid metal is the incorrect statement
Explanation:
Characteristics of mercury:
- Mercury is a naturally occurring element, also known as "heavy metal", which can be toxic to living organisms.
- Mercury is also known as "liquid metal", which is liquid at room temperature. Other metals include Gallium and Caesium
- It is a dense, silvery-white liquid metal, accordingly, it is easily visible being shining and opaque.
- Since it is a metal, it has a stable coefficient of expansion. Therefore, it expands easily and uniformly. Also, noticeably for a slight change of temperature. This is because mercury found its use in thermometers.
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Answer:
d id the ans because it is a metal liquid
Explanation:
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