Carbon is 3 g

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7.(i) Chalk contains Calcium, Carbon and Oxygen in the ratio 10 : 3 : 12. Find the percentage of Carbon in chalk. (ii) If in a stick of chalk, Carbon is 3 g, what is the weight of the chalk stick?
08
Oct
7.(i) Chalk contains Calcium, Carbon and Oxygen in the ratio 10 : 3 : 12. Find the percentage of Carbon in chalk. (ii) If in a stick of chalk, Carbon is 3 g, what is the weight of the chalk stick? 7.(i) Chalk contains Calcium Carbon and Oxygen in the ratio 10 : 3 : [...]
Posted in: Chapter 8 - Comparing Quantities , Maths , NCERT Class 7 ,
Tags: 7.(i) Chalk contains Calcium , Carbon and Oxygen in the ratio 10 : 3 : 12. Find the percentage of Carbon in chalk. (ii) If in a stick of chalk , Carbon is 3 g , what is the weight of the chalk stick? ,