Question

Why solid carbon dioxide is also known a dry ice

Answer 1

the solid form of carbon dioxide is called dry ice because it cannot remain in form of liquid this the reason ice is formed with no liquid molecule.hence it is known to be dry ice.

Answer 2

Here is Your Answer_______________
Because it looks like ice and when it melts
it goes from solid straight to gas,no liquid.
Hence, called dry ice.
Hope it Helps