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ICSE Class 7 Answered

Why is a word equation is only qualitative
Asked by ayanmisra45 | 01 Jan, 2021, 12:17: PM
answered-by-expert Expert Answer
Word equation is only qualitative because it does not give any idea about number of atoms and molecules are reacting and foemed.
 
Let's understand this by one example. A word equation is written below-
H y d r o g e n space plus space O x y g e n space rightwards arrow W a t e r
In this chemical reaction we are not getting any information about number of molecules, atoms of hydrogen, oxygen and water. So it is only qualitative. If it is written in form of chemical symbol, then it is qualitative and quantitative both.
Same reaction can be witten in symbolic form as-
2 H subscript 2 plus O subscript 2 rightwards arrow 2 H subscript 2 O
Answered by Ravi | 01 Jan, 2021, 04:23: PM
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