Std 10 ICSE Chemistry Tests / Sample Papers of ICSE Board / Fill in the Blanks Organic Chemistry is a chapter of ICSE class 10 Chemistry textbook. This is fourth part of series on fill in the blanks for Organic Chemistry chapter. This test module contains five questions in fill in the blanks format. Marks and answers are given immediately. Quizcrazy.in and team is proud to present Organic Chemistry Fill in the Blanks test to you.