Read the text and choose the best word Everybody wants a fast, unusual car. Car manufacturers all 1) the world are trying to create 'the car of the

1)2C+H2=kat=C2H22)
C2H2+H2=kat=C2H4
3)C2H4+((O)KMnO4)===OH-CH2-CH2-OH
4)OH-CH2-CH2-OH+Cu(OH)2==t==HOOC-COOH