Question

when a substance goes from a gas to liquid,it goes through a what change

Answer 1

Condensation. Here is a link that is helpful : https://www.google.com/search?hl=en&gs_rn=9&gs_ri=psy-ab&tok=YPZZsUofphwO6c33WloEMg&cp=8&gs_id=7e&xhr=t&q=gas+to+liquid&bav=on.2,or.r_cp.r_qf.&bvm=bv.45175338,d.dmQ&biw=1366&bih=664&um=1&ie=UTF-8&tbm=isch&source=og&sa=N&tab=wi&ei=aqVoUcnGDoSy0AGvvIG4DA#um=1&hl=en&tbm=isch&sa=1&q=states+of+matter&oq=states+of+matter&gs_l=img.3..0l10.5017.7529.0.7765.16.15.0.0.0.0.351.2451.1j3j4j3.11.0...0.0...1c.1.9.img.Zsitcn5a7cU&bav=on.2,or.r_cp.r_qf.&bvm=bv.45175338,d.dmQ&fp=ca6ecc2188e121bb&biw=1366&bih=664&imgrc=9jJ6Tys2AeGnqM%3A%3BsP706cFj0fFVhM%3Bhttp%253A%252F%252Fwww.physics.umd.edu%252Flecdem%252Fservices%252Favmats%252Fslides%252FI4.%252520CHANGES%252520OF%252520STATE%252FI4%252520States%252520of%252520Matter%252520and%252520Changes%252520of%252520State.jpg%3Bhttp%253A%252F%252Fwww.physics.umd.edu%252Flecdem%252Fservices%252Favmats%252Fslides%252Fthumbs.php%253Ftitle%253DI4%3B1018%3B1125

Answer 2

^ condensation is the correct answer for a gas forming a liquid.

"when a substance goes from a gas to liquid,it goes through a ____ change."

but the way it's worded, it seems the answer should be a more general statement. And, if this is so, the answer would be "phase".