Muft Shiksha
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

RELATED QUESTIONS

Ph

Class 10 Science के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ScienceIf the pH of a basic solution changes from 13 to 11, approximately how did its basicity change?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12HardScienceIf hydroxide ions are added to an acidic solution, what change will occur first?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12MediumScienceA solution has pH below 5.5. What is the most correct meaning in the context of teeth?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12MediumScienceWhy does hydrochloric acid have a lower pH than ethanoic acid at the same concentration?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12MediumScienceUniversal indicator gives blue colour in a solution. After adding acid, the colour becomes green. What does this mean?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceAn aqueous solution of a substance shows pH 13. Why is it unsafe to touch it directly?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceIf adding water to an acidic solution changes its pH from 2 to 3, what happens to acidity?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11HardScienceWhy does pH increase when hydroxide ions are added to an acidic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceA student says every salt solution is neutral. Which example will disprove this statement?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceIf a basic solution is diluted with water, in which direction will its pH move?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceAn acid and a base are mixed in equal volumes, but the pH does not become 7. Which reason is most possible?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceA salt solution shows pH 7 and conducts electricity. It may be an example of which type of salt?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceIf a little base is added to an acidic solution and its pH changes from 3 to 4, what is the correct conclusion?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11HardScienceIf a solution of pH 2 is compared with a solution of pH 5, how much more acidic is the first solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11HardScienceIf a solution can damage tooth enamel, in which pH range is it more likely to be?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceAn unknown salt solution shows pH 8.5 and turns red litmus blue. What type of salt is it most likely to be?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceIf blue litmus turns red in a solution and its pH is 2, what changed when adding water makes the pH 4?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWater is added to an acidic solution but it remains acidic. What is the correct reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceIf a solution has pH close to 14 and feels slippery on skin, what is the safest conclusion?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceA solution is acidic but very dilute. Around what pH can it be?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium