Neco Chemistry Questions
Question 17:
A measure of the degree of disorderliness in a chemical system is known as the ____________
View Answer & ExplanationQuestion 18:
When an electric current is passed through a solution containing dilute tetraoxosulphate (Vi) acid, 190 cm3 of hydrogen gas is evolved. if the measurements were made at 26°C and 736 mmHg, what is the volume of hydrogen at s.t.p.?
View Answer & ExplanationQuestion 19:
if an element X with atomic number 13 combines with an element Y whose atomic number is 8 the most likely formula of the compound formed between X and Y is ____________
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