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What is the general procedure for the gravimetric method?
What is the general procedure for the gravimetric method?
- Digestion => Filtration => Precipitation => Heating or Ignition => Weighing
- Heating or Ignition => Precipitation => Digestion => Filtration => Weighing
- Filtration => Precipitation => Digestion => Heating or Ignition => Weighing
- Precipitation => Digestion => Filtration => Heating or Ignition => Weighing (correct)
What is the role of the chemical agent that causes a solid to form in the precipitation process?
What is the role of the chemical agent that causes a solid to form in the precipitation process?
- Catalyst
- Diluent
- Precipitant (correct)
- Solvent
How can large crystals be obtained during precipitation?
How can large crystals be obtained during precipitation?
- By using a concentrated solution
- By adding the precipitating agent slowly with stirring (correct)
- By adding an acidic solution
- By increasing the pH value
What is the purpose of digestion in the gravimetric method?
What is the purpose of digestion in the gravimetric method?
What is the gravimetric factor (GF)?
What is the gravimetric factor (GF)?
How is the weight of ZY (w.t. ZY) calculated using the gravimetric factor (GF) and the weight of ZM (w.t. ZM)?
How is the weight of ZY (w.t. ZY) calculated using the gravimetric factor (GF) and the weight of ZM (w.t. ZM)?
In the given chemical analysis, what is the percentage of NaBr and KBr mixture if Ag% is found to be 80%?
In the given chemical analysis, what is the percentage of NaBr and KBr mixture if Ag% is found to be 80%?
What is the weight of NaCl in a sample if 2 g of silver chloride was precipitated from a 1.5 g sample containing sodium chloride?
What is the weight of NaCl in a sample if 2 g of silver chloride was precipitated from a 1.5 g sample containing sodium chloride?
What is the ability of colloid particles to combine with each other and form larger structures called?
What is the ability of colloid particles to combine with each other and form larger structures called?
Which process is opposite to coagulation, involving breaking up coagulates and returning them to a colloid state?
Which process is opposite to coagulation, involving breaking up coagulates and returning them to a colloid state?
What is the property of colloidal solutions that causes light passing through them to scatter and reflect from the surface?
What is the property of colloidal solutions that causes light passing through them to scatter and reflect from the surface?
How can coagulation of colloid particles be increased?
How can coagulation of colloid particles be increased?
What is the radius range of particles in colloidal solutions?
What is the radius range of particles in colloidal solutions?
What kind of precipitate is formed when nacl reacts with AgNO3 in excess?
What kind of precipitate is formed when nacl reacts with AgNO3 in excess?
What is the weight of $BaCl_2•2H_2O$ required to precipitate $BaSO_4$ from 10 g of $Na_2SO_4•10H_2O$?
What is the weight of $BaCl_2•2H_2O$ required to precipitate $BaSO_4$ from 10 g of $Na_2SO_4•10H_2O$?
What is the weight of $NaCl$ if 6.2971 g of $AgCl$ was obtained from 2.56823 g of $NaCl$?
What is the weight of $NaCl$ if 6.2971 g of $AgCl$ was obtained from 2.56823 g of $NaCl$?
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