Class 6 Subjects

Grade 6 Science MCQs

Grade 6 Science MCQ PDF - Chapter

Air and Atmosphere Multiple Choice Questions and Answers PDF p. 1

Practice Air and atmosphere multiple choice questions and answers, air and atmosphere quiz answers PDF to learn grade 6 science test 1 for online courses. Fractional Distillation of Air MCQs, air and atmosphere quiz questions and answers for distance education. "Air and Atmosphere " Book PDF: fractional distillation of air, composition of air, gas properties and air test prep for online certificate courses.

"Nitrogen is obtained from the fractional distillation of liquefied air at about" Multiple Choice Questions (MCQ) on air and atmosphere with choices 186 °c, 196 °c, 176 °c, and 166 °c for distance education. Learn fractional distillation of air quiz questions for school certificate programs for free online classes.

MCQs on Air and Atmosphere Quiz

MCQ: Nitrogen is obtained from the fractional distillation of liquefied air at about

196 °C
186 °C
176 °C
166 °C

MCQ: A greenhouse gas that absorbs energy and maintains the earth's temperature is

carbon dioxide
oxygen
nitrogen
argon

MCQ: The main constituent in air is

nitrogen
oxygen
argon
water vapor

MCQ: On cooling, a liquid will be changed into

dense
solid
semi-solid
liquid

MCQ: Combustion cannot take place without

water
carbon
air
zinc