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

Chemical Reactions And Equations

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

ScienceWhich problem do antioxidants and airtight packing both reduce?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2EasyScienceWhich main chemical reaction causes the change in taste and smell during rancidity of oils and fats?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2MediumScienceRemoval of hydrogen and addition of hydrogen are associated with which processes, respectively?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2EasyScienceIn the same reaction, one substance loses oxygen and another gains oxygen. What is it called?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2EasyScienceIn the reaction CuO + H₂ → Cu + H₂O, water is formed. What does this show about hydrogen?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2MediumScienceMetal A displaces metal B from its salt, and metal B does not displace metal A. What is the correct conclusion?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2EasyScienceWhich reaction is an example of a double displacement reaction in which a precipitate is formed?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2MediumScienceWhen an iron nail is placed in copper sulphate solution, a reddish-brown coating forms on the nail and the solution turns green. What is the correct reason?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2MediumScienceWhat is the main difference between electrolytic decomposition and thermal decomposition?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2EasyScienceWhen lead nitrate is heated, it decomposes to form lead oxide, nitrogen dioxide, and oxygen. Which gas is brown in colour?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2MediumScienceIn the reaction CuO + H₂ → Cu + H₂O, which statement is correct with respect to oxidation and reduction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1MediumScienceIn a chemical equation, what do a downward arrow and an upward arrow respectively indicate?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1EasyScienceIf heat is written on the products side of a chemical equation, what is the nature of the reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1EasyScienceWhich two conditions are necessary for rusting of iron?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1MediumScienceRemoval of hydrogen from a substance and addition of hydrogen to a substance indicate which processes, respectively?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1MediumScienceIf substance A loses oxygen and substance B gains that oxygen, which statement is correct?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1MediumScienceWhich white precipitate forms when barium chloride and sodium sulphate solutions are mixed?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1MediumScienceWhat is the solid residue in the thermal decomposition of lead nitrate?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1MediumScienceThe appearance of brown gas on heating lead nitrate identifies which gas?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1MediumScienceWhen water is added to calcium oxide, one product forms and heat is released. What is the correct combined identification?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1Medium