General Science Chemistry MCQs
Chemistry Objective (Multiple Choice) General Knowledge Questions & Answers for SSC-CGL, UPPSC, UPSC, NDA, CDS and UPSC Civil Services Prelims Examination
31. Which of the following is correct about HCl gas?
32. Which of the following is NOT correct about Ethanol?
33. What is an alloy of mercury with some other metal generally known as?
34. Bayer process is related to which of the following?
35. Which of the following is correct about the principal quantum number?
36. What is the total number of allowed orbitals in a shell, if principal quantum number is n?
37. Which of the following quantum numbers is not necessary to identify an orbital?
38. Which of the following are the limitations of Bohr’s model of atom?
39. Which of the following substance was used as a moderator in CIRUS reactor?
40. Which of the following alpha-emitter is commonly used in smoke detectors?