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Matter-Nature and its Behaviour (Practice Exercise with Answer keys)
Matter-Nature and its Behaviour (Practice Exercise with Answer keys) Fill in the Blanks 1……… A pure substance has a fixed or ………at constant temperature. 2……… An element is made up of only one kind of. ……… 3. The process of converting a colloidal solution into precipitate is called 4……… Miscible liquids are separated by………………….. 5…………
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CBSE 9th Science | Matter-Nature and its Behaviour Questions for Examination
Matter-Nature and its Behaviour Questions for Examination Question 1. How many elements are in gaseous state at room temperature? Answer. 11 elements are in gaseous state at room temperature. Question 2. Name two elements which are in liquid state at room temperature? Answer. Mercury, Bromine. Question 3. What is the state of elements gallium and…