Activity 3: Read each statement below and fill in the blanks with the appropriate word or phrase. Ethyne is produced when _________(1)___________ reacts with water or moisture. Ethyne is an organic compound commonly known as ________(2)___________ whose chemical formula is _________(3)___________. _________(4)___________ is the principal ingredient for alcoholic beverages. Its chemical formula is _________(5)___________. Isopropyl alcohol’s chemical formula is _________(6)___________. When mixed with water, it can be used as _________(7)___________. _________(8)___________ is also known as methyl alcohol and has a chemical formula CH3OH. It is used to produce chemicals such as _________(9)___________ and formaldehyde. • Alcohols belong to the _________(10)___________ group. _________(11)___________ is an organic compound with the formula (CH₃)₂CO. It is the simplest and smallest _________(12)___________. _________(13)___________ is a compound that is commonly known as formalin. It is a naturally occurring organic compound with the formula CH₂O. It is the simplest of the _________(14)___________. Acetone and formalin belong to the _________(15)___________ group. ​