Air and Atmosphere Class 6 Science Questions and Answers
Frequently asked questions and answers of Air and Atmosphere in Class 6 English Honeysuckle Prose of NCERT CBSE to enhance your skills, knowledge on the selected topic. We have compiled the best Air and Atmosphere Interview question and answer, trivia quiz, mcq questions, viva question, quizzes to prepare. Download Air and Atmosphere FAQs in PDF form online for academic course, jobs preparations and for certification exams .
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Question-51. The liquefied air is put into an apparatus known as
Answer-51: fractionating column
Question-52. The main constituent in air is
Answer-52: nitrogen
Question-53. The major use of nitrogen is production of
Answer-53: ammonia
Question-54. The mixture important for human life and combustion is
Answer-54: air
Question-55. The moisture capacity of air is called
Answer-55: humidity
Question-56. The most abundant element is oxygen within the
Answer-56: Earth's crust
Question-57. The percentage composition of carbon dioxide in exhaled air is
Answer-57: 4%
Question-58. The percentage composition of nitrogen in air is
Answer-58: 78%
Question-59. The percentage composition of oxygen in air is
Answer-59: 21%
Question-60. The percentage composition of oxygen in exhaled air is
Answer-60: 16%
Question-61. The process in which energy is released by the combination of glucose and oxygen is known as
Answer-61: respiration
Question-62. The process of burning under the presence of oxygen is known as
Answer-62: combustion
Question-63. The process of trapping some of the heat from the sun to maintain the life on earth is known as
Answer-63: greenhouse effect
Question-64. The second step of fractional distillation is heating the mixture so that components evaporate at th
Answer-64: boiling point
Question-65. The sphere that prevent the ultraviolet rays from sun is known as
Answer-65: atmosphere
Question-66. The state that fills the volume of its container is
Answer-66: gas
Question-67. There is no boundary between atmosphere and space, so the density of atmosphere decreases with
Answer-67: increasing altitude
Question-68. To perform fractional distillation of air, it must be liquefied and then purified to remove
Answer-68: dust
Question-69. Water vapor is less dense than
Answer-69: air
Question-70. When a gas is cooled or compressed it becomes a
Answer-70: liquid
Question-71. When methane is combusted with oxygen, the products produced are
Answer-71: carbon dioxide & water
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