Which of the following substance/s will precipitate the emulsion which is negatively charged?
A. KCl
B. Glucose
C. NaCl
D. Urea
Choose the correct answer from the options given below:
This question was previously asked in
Shift 27/05/2023 3:30 PM - 6:30 PM
A
B, C only
B
A, D only
C
A, C only
D
B, D only
Correct Answer
A, C only
Detailed Explanation
A. KCl: Potassium chloride dissociates into K+ and Cl- ions. The chloride ions can neutralize the negative charge of the emulsion.
B. Glucose: Glucose is a neutral molecule and does not carry any charge. It does not directly neutralize the negative charge on the emulsion.
C. NaCl: Sodium chloride dissociates into Na+ and Cl- ions. The chloride ions can neutralize the negative charge of the emulsion.
D. Urea: Urea is a neutral molecule and does not directly neutralize the negative charge on the emulsion.
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