A. A further adding a small quantity of solvent
B. Dissolving the crude solid into the solvent in the normal way
C. Filtering only hot solution
D. None of the above
Answer: A
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A. Swirling the flask
B. scratching inside of the flask
C. Further lowering of temperature
D. Increase the pressure
Answer: B
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A. Deliquescence liquid
B. Deliquescence solid
C. Small quantity of solid
D. Large quantity of solid
Answer: B
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A. Calcium chloride
B. Heating to dryness
C. Anhydrous sodium sulphate
D. Options b and c above
Answer: C
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A. Reagent should always be used in small quantity
B. Choice of the solvent
C. Washing a crude liquid
D. Reagent should always be used in large quantity
Answer: A
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A. complex titration
B. complexation titration
C. complexometric titration
D. conplexation titration
Answer: C
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Universities of the Coimbra Group offer short-term visits (generally 1 to maximum 3 months) to young African researchers from higher education institutions from Sub-Saharan Africa. The main aim of ...
