Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects
0 reads0 ratings0 helpful

Why does soap produce less lather with hard water while washing clothes?

Answer and explanation

Correct answer: Hard water contains calcium and magnesium salts

Hard water contains dissolved calcium and magnesium ions, commonly supplied by their salts. Soap contains fatty-acid ions that react with Ca²⁺ and Mg²⁺ to form insoluble scum. These precipitates consume soap before it can form lather, so option A identifies the cause. Hard water does contain ions, is not an acidic gas, and soap is not completely unable to dissolve. Washing soda can soften water by removing these ions.

Related tags

Hard-WaterSoapCalcium-MagnesiumWashing-SodaAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

Was this question useful?

No ratings yetWrite a review / Rate this question

Student Reviews

No published reviews yet.

Add Muft Shiksha to your Home Screen

In Safari, tap Share, then Add to Home Screen.