GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following lists contains a solid, liquid and a gas?
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Li, Pb, O
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K, Br, F
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Mg, Hg, S
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Cu, Hg, Br
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Explanation:
Detailed explanation-1: -Solid, liquid and gaseous elements are present in group. 17(VIIA). These elements are fluorine (gas), chlorine (gas), bromine (liquid), iodine (solid) and astatine (solid).
Detailed explanation-2: -This is not true; in fact all of the elements except for helium go through all three phases of matter (solid, liquid, and gas) as the temperature is varied. That is to say, at low enough temperatures, all the elements (except Helium) are solids.
Detailed explanation-3: -Examples of solids are chairs, computers, ice, blackboard, and so on. Examples of liquids are water, milk, juice, coffee, and so on. Examples of gases are Oxygen, Nitrogen, Carbon dioxide, and so on.
There is 1 question to complete.