A romance is a relationship between two people who are in love with each other but who are not married to each other. After a whirlwind romance the couple announced their engagement in July. ...a holiday romance.
Hydrocarbons are compounds made from carbon and hydrogen atoms joined by covalent bonds. Alkanes are saturated-they have only single bonds.Alkenes have a double bond-they are unsaturated. Alkenes react with brown bromine water and decolourise it, but alkanes do not.Alkenes can act as monomers.ydrocarbons are compounds made from carbon and hydrogen atoms joined by covalent bonds. Alkanes are saturated-they have only single bonds.
Alkanes have no double or triple bonds, alkenes have one or more double bonds and alkynes have one or more triple bonds. Alkanes, alkenes and alkynes are all types of hydrocarbons. Keep Learning.