Skip to content

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

RELATED QUESTIONS

Class 12 Mcq

Class 12 Chemistry के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ChemistryDissolution of a solid releases heat. Which statement about its solubility on heating is possible?Class 12Chapter 01: Solutions3: SolubilityLevel 14Medium ChemistryDissolution of a solid absorbs heat. What is likely to happen to its solubility when temperature increases?Class 12Chapter 01: Solutions3: SolubilityLevel 14Medium ChemistryDissolution of a gas in a liquid is generally exothermic. What explains the decrease in solubility on heating?Class 12Chapter 01: Solutions3: SolubilityLevel 15Medium ChemistryWhich condition is essential when applying Henry’s law?Class 12Chapter 01: Solutions3: SolubilityLevel 12Easy ChemistryAt high altitude, how can lower air pressure affect gases dissolved in water?Class 12Chapter 01: Solutions3: SolubilityLevel 13Medium ChemistryWhich factor is most important in dissolving an ionic salt in water?Class 12Chapter 01: Solutions3: SolubilityLevel 13Medium ChemistryOil does not dissolve in water but may dissolve in a non-polar solvent. Which idea does this support?Class 12Chapter 01: Solutions3: SolubilityLevel 12Easy ChemistryIf a substance has a downward-sloping solubility curve, how does its solubility change when temperature increases?Class 12Chapter 01: Solutions3: SolubilityLevel 10Easy ChemistryWhy is it necessary to mention temperature while calling a solution saturated?Class 12Chapter 01: Solutions3: SolubilityLevel 12Easy ChemistryWhat is the most direct effect on fish if oxygen solubility in water decreases?Class 12Chapter 01: Solutions3: SolubilityLevel 11Easy ChemistryWhy can grinding a solid into fine powder increase its rate of dissolving?Class 12Chapter 01: Solutions3: SolubilityLevel 11Easy ChemistryWhat is wrong with the statement that stirring greatly increases the maximum solubility of every solid?Class 12Chapter 01: Solutions3: SolubilityLevel 11Easy ChemistryWhy does a seed crystal cause solid to separate suddenly from a supersaturated solution?Class 12Chapter 01: Solutions3: SolubilityLevel 13Medium ChemistryWhy may dissolved oxygen decrease when lake water becomes warm?Class 12Chapter 01: Solutions3: SolubilityLevel 11Easy ChemistryIf a gas has a higher Henry's law constant, which conclusion about its mole fraction at the same pressure is correct?Class 12Chapter 01: Solutions3: SolubilityLevel 12Easy ChemistryAt constant temperature, what happens to the solubility of a gas in a liquid if its partial pressure is made four times?Class 12Chapter 01: Solutions3: SolubilityLevel 5Medium ChemistrySalt dissolves in water but oil does not dissolve well. Which idea does this show?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy ChemistryA solid has an almost flat solubility curve. What conclusion can be drawn from this?Class 12Chapter 01: Solutions3: SolubilityLevel 3Easy ChemistryWhy can crystallization start when a supersaturated solution is slightly disturbed?Class 12Chapter 01: Solutions3: SolubilityLevel 5Medium ChemistryWhy can crystals of solute separate when a hot saturated solution is cooled?Class 12Chapter 01: Solutions3: SolubilityLevel 4Medium