Advertisements
Advertisements
Question
Explain the following observations very briefly
An empty glass in fact is not empty.
Advertisements
Solution
In an empty glass there is always air present which covers up the space therefore, it cannot be said empty. Air is transparent, weightless and doesn’t have a definite shape or volume, thus, we cannot see it.
APPEARS IN
RELATED QUESTIONS
What do you observe when Calcium is heated and then tested with moist blue and red litmus – paper?
Statement given below is incorrect. Write the correct statement :
Symbiotic bacteria are present in nodules of cereal plants such as wheat.
Name three noble gases present in the air. State their one industrial use
State what would happen, if the air above the earth contained mainly oxygen and no nitrogen
Complete the statement given below by filling in the blank with the correct word from the words given:
The component of air used in photosynthesis is ______ and the products of photosynthesis is oxygen.
What is the percentage of oxygen in air?
What happens if the percentage of oxygen in the air reaches to 70%?
______ present in the air is needed for respiration.
All living things use oxygen for breathing.
When air is moving with cool and soothing, it is called a cyclone.
