Question

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In a factory, producing liquid air, one of the pipes carrying dry air
at -80 °C is blocked with a white solid. What is this white solid?
a) Argon b) Ice c) Nitrogen d) Carbon dioxide​

Answer 1

$\huge\boxed{\underline{\mathcal{\red{A}\green{N}\pink{S}\orange{W}\blue{E}\pink{R}}}}$

$\huge\blue{\underbrace{\overbrace{\ulcorner{\mid{\overline{\underline{d) Carbon dioxide}}}}}}}$

Answer 2

Answer:

carbon dioxide. ............