Which sample is a pure substance? December 19, 2019 by mcq A) Table salt B) Pure water C) a test tube of zinc oxide D) All the above View AnswerOption – D. More QuestionsKhushi bought the bangles of equal number of Rs. 34 per piece, Rs. 42 per piece and Rs. 6 per piece. She spends total Rs. 1722 on all types of bangles. How many bangles did she buy of each type ?Entrepreneurship as a theory of business was propounded byThe Indira Gandhi Zoological Park is located in which state?Ratio between heights of two cylinder in the ratio 3:5. Their volumes are in the ratio 27:80. Find ratio between their radius ?The Nobel Peace is awarded in which city?Which of the following statements BEST describes the role of Communication during Service Operation?Which state government has launched Pashu Bazar website for online cattle sale ?Which is the largest coal producing country in the World?A can complete 9/10 part of a work in 31 days. After that, with the help of B he can complete the remaining work in 4 days. In how many days will A and B together can complete that work ?In which of the following pairs,second person is to the immediate right of the first person ?