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
Suggest five measures to prevent air pollution.
Statement given below is incorrect. Write the correct statement :
Symbiotic bacteria are present in nodules of cereal plants such as wheat.
You are given a test tube with two outlets and a bottle of lime water. Using same, how would you demonstrate experimentally the presence of carbon dioxide in air.
______ is the percentage of nitrogen in air.
_____ gas turns lime water milky.
Composition of the component of air ______ from place to place.
During respiration, carbon-di-oxide is exhaled out of the body through the ______.
Tri oxygen molecule is known as ______.
Nitrogen is about two times more soluble in water than oxygen.
Observe the picture given in Fig. carefully and answer the following questions.
Why is he putting a cover on his nose?
