41. The lightest gas which is non-inflammable is
42. Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process :
43. Which among the following is pure matter ?
44. The National Chemical Laboratory (India) is located in
45. Who is known as the 'father of modern chemistry'?
46. Spirit in contact with body gives cool sensation because it is :
47. Which one is a sublime substance?
48. The biogas used for cooking is a mixture of which of the following?
49. The major constituent of gobar gas is
50. ________ is a by product of sewage treatment and can be decomposed to produce biogas
Read More Section(Chemistry)
Each Section contains maximum 100 MCQs question on Chemistry. To get more questions visit other sections.