Class VI

Which of these gases is necessary for burning? 
  1. Carbon dioxide 
  2. Nitrogen 
  3. Hydrogen 
  4. Oxygen 
What is not true about air ? 
  1. It makes the windmill rotate . 
  2. It helps in the movements of aeroplanes . 
  3. Birds can fly due to presence of air . 
  4. It has no role in water cycle . 
Air is 
  1. A mixture 
  2. A compound 
  3. An element 
  4. An electrolyte 
The blanket of gases that surrounds the earth is called __________.
  1. Air
  2. Atmosphere
  3. Lithosphere
  4. Biospehere
Which gas present in atmosphere allows substances to burn ? 
  1. Nitrogen 
  2. Carbon Dioxide 
  3. Oxygen 
  4. Ozone 
Time Elapsed

HR : MIN : SEC
Question Answered
0
Score out of 100
0

Get Started!

we provide the best
services to our students

AmazingCounters.com Views

 

LKG - 12th

Rs 1,999  Annual
Plan
TOP