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Sahay Sir > Question Answers > NCERT Class 7 > Maths > Chapter 8 - Comparing Quantities > 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 : 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 : 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?