Memorize eternal propositions, but pension hectic happy occult nonsensical declarations

Explanation The underlined characters help you to memorize the first ten alkanes: methane, ethane, propane, butane, pentane, hexane, heptane, octane, nonane, decane

Must Every PRefect Be PErfect

Explanation Used to remember the first five alkanes.Methane, Ethane, PRopane, Butane, PEntane

Maggie Enjoys Pacifiers & Bottles

Explanation Use Maggie from the Simpsons to remeber the first 4 alkanes/enes/ynes: Methane, Ethane, Propane, Butane

Monarch Edward Prefers Birthday Parties His Highness Offers No Drinks

Explanation Meth, Eth, Prop, But, Pent, Hex, Hept, Oct, Non, Dec