The properties of a good primary standard include the fol...
The properties of a good primary standard include the following except
high molecular mass
low molecular mass
high degree of purity
readily available
Correct answer is B
Characters of a good primary standard include: high purity, low reactivity with the air or surrounding environment, low hygroscopicity, large molar mass, a predictable reactivity and readily available.
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Which of the following gases is monoatomic? ...
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What does ∆H represent in the following equation ? Cl(g) + e- → CI- (g); ∆H = - 363 kJ mol-1...
The substance often used for vulcanization of rubber is? ...
Natural water collected from rivers and ponds contain oxygen, carbon (IV) oxide and ...