Effective electrolyte to cause the flocculation of a negatively charged arsenium sulphide colloid is :

Effective electrolyte to cause the flocculation of a negatively charged arsenium sulphide colloid is :
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Effective electrolyte to cause the flocculation of a negatively charged arsenium sulphide colloid is : A. `NaCl` B. ` ... 3)Fe(CN)_(6)` D. `AlCl_(3)`
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