591ChemistryMedium
The best indicator for titrating HCl with NH4OH is: _________?
Aphenol red
MCQs
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Correct answer
B. methyl Orange
Explanation
methyl Orange is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Zinc acts as an anode and copper as cathode
Explanation
Zinc acts as an anode and copper as cathode is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Neutron
Explanation
Neutrons are the electrically neutral particles present in the nucleus of an atom. A neutron is a neutral particle. Unlike protons (positive charge) and electrons (negative charge), neutrons have no electric charge, making them neutral particles. Key points about neutrons: Found in the nucleus of an atom Approximately the same mass as a proton Considered a stable particle only within the nucleus of an atom
Correct answer
B. 13.86%
Explanation
13.86% is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. 8.24
Explanation
8.24 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Oxalic acid
Explanation
Oxalic acid is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Ca and S
Explanation
Ca and S is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. aluminium is resistant to corrosion by organic acids.
Explanation
aluminium is resistant to corrosion by organic acids. is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Reduction potential
Explanation
Reduction potential is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. octyl acetate
Explanation
octyl acetate is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.