Choose the correct sequence of \( \mathrm{T} \) and \( \mathrm{F} \) for following statements. H...

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Choose the correct sequence of \( \mathrm{T} \) and \( \mathrm{F} \) for following statements. Here \( \mathrm{T} \) stands for true and \( \mathrm{F} \) stands for false statement.
(i) At atmospheric pressure ice crystallises in the hexagonal form, but at very low temperatures it condenses to cubic form.
(ii) Density of ice is less than that of water. Therefore, an ice cube floats on water.
(iii) In winter season ice formed on the surface of a lake makes survival of the aquatic life difficult.
(iv) Hydrogen bonding gives ice a open type structure with wide holes.
(a) TTFT
(b) FTFT
(c) FTTT
(d) TFTT
\( \mathrm{P} \)
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