MEHH screw midyears lor . chem was so effing TIME CONSUMING and the errata was so URGH i didnt bother looking at it lah which caused me not being able to do q3 -.0 and i jst realised ive alot of careless mistakes plus those questions that i left blank and those mcqs that i jst anyhow shade ... HAHAHAHA . passing is a relatively huge problem .