Chemistry Which of the following is the formula of chrome red ? Options:A. Pb3 O4B. 2Pb CO3 C. Pb Cr O4 D. Pb2OView AnswerA. Pb3 O4 Continue Reading Previous: Paramagnetic behaviour of substance is measured by a balance called___________________?Next: On heating aldehydes with Fehlings solution we get a precipitate whose colour is_________________?