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

Chemical Substances Nature And Behaviour

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

ScienceWhich two factors can reduce the quality of sodium hydroxide when it is kept in open air?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceIf phenolphthalein is added to an acidic solution and then a base is added slowly, when will the pink colour appear?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceWhen gypsum is heated under controlled conditions, plaster of Paris is formed. How does the water content change?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceWhat is one important use of the gas formed at the anode in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceWashing soda crystals become powdery when kept in open air. This is related to which phenomenon?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceWhy does hydrochloric acid have a lower pH than ethanoic acid at the same concentration?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceA gas first turns lime water milky and removes the milkiness when passed in excess. Which soluble substance forms in excess?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceA salt solution turns blue litmus red. From which type of acid and base is it most likely formed?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceA solution has pH 3. If the hydrogen-ion concentration becomes one hundred times lower, what will be the approximate new pH?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Hard ScienceAn unknown solution turns blue litmus red and gives a gas with zinc. When sodium carbonate is added to the same solution, another gas is released. What is the correct identification of both gases?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Hard ScienceA question suggests using only taste to identify acids, bases, and salts. What is the most correct response from an exam point of view?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Easy ScienceAn indicator shows red in acidic solution and yellow in basic solution. Which indicator could it be?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Easy ScienceA student says carbon dioxide is only a gas, so it has no relation with acids and bases. What is the correct correction?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceUniversal 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 11Medium ScienceA salt formed by an acid-base reaction gives an acidic solution. What does this indicate about the parent substances?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Hard ScienceAn 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 11Medium ScienceIf blue litmus turns red in a solution and bubbles form when carbonate is added, which conclusion is correct?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceWhich pair is not correct?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceIf 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 11Hard ScienceWhat risk may occur when curd is stored in a copper vessel?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium