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c,b,a,
29.because of sublimation,
30.at 25 it is liquid. at 100 it is liquid vapour.at 0 ot is solid-liquid state
31.c
29.because of sublimation,
30.at 25 it is liquid. at 100 it is liquid vapour.at 0 ot is solid-liquid state
31.c
siv2:
273 K = 0 °C. just substract 273 from kelvin unit to get celsius
73 C = 73+273 K
ok
775 K = 775-273 °c
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