Pushkara
25 Jun 2018
(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 3g, what is the weight of the chalk stick?
CH3COONa and excess HCl
CH3COONa and CH3COOH
NaOH and NaCl
CH3COOH and excess NaOH
or
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