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Q) The mark up%,discount %, and profit %are the ratio 16: 5 : 7 . If article is marked as 288 Rs higher than the CP, Th en find the amount of discount given(in Rs) ?
Q) Which of the following is a non metal that remains liquid at room temperature?
(A) Phosphorus
(B) Bromine
(C) Chlorine
(D) Helium
Correct Answer - Option
(B)
Explanation :
Bromine is a non-metal that remains in a liquid state at room temperature (around 20°C or 68°F).
Phosphorus: Exists as a solid at room temperature (white phosphorus is solid).
Chlorine: Exists as a gas at room temperature.
Helium: Exists as a gas at room temperature, and it only becomes a liquid at extremely low temperatures.
So, Bromine is the only non-metal that remains liquid at room temperature.
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