Everyday Science What makes a lemon sour? Options:A. Tartaric AcidB. Citric AcidC. Acetic AcidD. Hydrochloric AcidView AnswerB. Citric Acid Continue Reading Previous: The chief ingredient of the mosquito repellent cream is derived from?Next: A body can escape the gravitational pull of the earth if it is thrown up with a velocity of ________ miles/second ?