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3872
Which type of salt forms an aqueous solution with a pH lower than 7?
Acidic salts are formed from the reaction of a strong acid and a weak base. When dissolved in water, they release hydrogen ions (H+), lowering the pH of the solution.
3873
Solution having the property of a very little change in pH on adding a small amount of strong acid or base is called________________?
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3874
Which of the given acids is the weakest in aqueous solution?
HF is considered the weakest acid among the given options because the bond between hydrogen and fluorine is relatively strong, making it harder for HF to donate a proton (H+ ion) in water compared to the other acids.
3875
What is the color of methyl orange in the HCl solution?
Manual review recommended: automated enrichment was incomplete for this item. The original answer and options were preserved. No Gemini key is configured. Add GEMINI_API_KEY to the local server environment or save a Gemini provider key in Settings.
Manual review recommended: automated enrichment was incomplete for this item. The original answer and options were preserved. No Gemini key is configured. Add GEMINI_API_KEY to the local server environment or save a Gemini provider key in Settings.
3877
The electrolyte used in lead storage battery is dilute solution of:
Manual review recommended: automated enrichment was incomplete for this item. The original answer and options were preserved. No Gemini key is configured. Add GEMINI_API_KEY to the local server environment or save a Gemini provider key in Settings.
3878
Methyl orange indicator give which of the following colour in an acid solution
Manual review recommended: automated enrichment was incomplete for this item. The original answer and options were preserved. No Gemini key is configured. Add GEMINI_API_KEY to the local server environment or save a Gemini provider key in Settings.
3879
What happens to the solution when pH is greater than 7?
Manual review recommended: automated enrichment was incomplete for this item. The original answer and options were preserved. No Gemini key is configured. Add GEMINI_API_KEY to the local server environment or save a Gemini provider key in Settings.
3880
Which indicator is best suited for titrating hydrochloric acid (HCl) with ammonium hydroxide (NH4OH)?
Methyl orange is the best indicator for titrating HCl with NH4OH because it changes color in the pH range of 3.1-4.4, which is close to the equivalence point of the reaction between a strong acid (HCl) and a weak base (NH4OH), forming a buffer solution of NH4Cl.
