1997
What is the basicity of the acid in the followed reaction? NaCO + 2CHCOOH → 2CH COONa + H2O + CO2
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1997 WAEC SSCE Chemistry Past Questions
1997
A mixture of NaCI(s) and CaCO3(s) is best separated by
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1997
What volume of oxygen at s.t.p would react with carbon to form 4.40g of CO2 according to the following equation? C(s) + O2(g) → CO2(g) [O = 16; C =12; 1 mole of a gas occupies 22.4dm3 at s.t.p]
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1997
Which of the following compounds with the corresponding masses contain the highest percentage of nitrogen? [N = 14]
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