Air and Atmosphere Multiple Choice Questions Test 4

Practice science test 4 on air and atmosphere MCQs, grade 6 air and processes multiple choice questions and answers. Air and processes revision test has science worksheets, answer key with choices as lungs, gills, throat and tail of multiple choice questions (MCQ) with air and processes quiz as in fish, respiration takes place through for competitive exam prep. Free science study guide to learn air and processes quiz to attempt multiple choice questions based test.

MCQs on Air and Atmosphere Quiz pdf Download Worksheets 4

MCQ. In fish, respiration takes place through

  1. gills
  2. lungs
  3. throat
  4. tail


MCQ. Air solubility of water is defined as ability of air to be dissolved in

  1. space
  2. container
  3. gas
  4. water


MCQ. Rust is actually

  1. iron oxide
  2. hydro oxide
  3. nitro oxide
  4. none of them


MCQ. When a gas is cooled or compressed it becomes a

  1. solid
  2. gas
  3. liquid
  4. semi-solid


MCQ. Mixture important for human life and combustion is

  1. carbon
  2. air
  3. zinc
  4. nitrogen