31. Which of the following could be used as fuel in propellant or rockets ?
32. Which gas is used for converting vegetable oils into saturated fats ?
33. Which of the following gases will effuse out of football bladder most quickly ?
34. The property of hydrogen which distinguishes it from alkali metals is
35. Hydrogen is not found in atmosphere because
36. Carbon monoxide is an inflammable gas. Which one of the following is also inflammable?
37. When Hydrogen starts burning in air, it produces ?
38. The gas which turns into liquid at the lowest temperature among the following is
39. The gas that is used in the manufacture of vanaspati ghee is :
40. Which one of the following metals does not react with water to produce Hydrogen ?
Read More Section(Chemistry)
Each Section contains maximum 100 MCQs question on Chemistry. To get more questions visit other sections.