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 Reactions

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

ScienceWhy are photosensitive silver salts such as silver chloride kept in the dark?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceThe white colour of silver chloride turning grey in light is evidence of what?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceWhat type of reaction occurs when lead nitrate decomposes on heating?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceWhich colourless gas is evolved during the thermal decomposition of lead nitrate?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceWhat type of chemical reaction is \(2AgCl \xrightarrow{\text{sunlight}} 2Ag + Cl_2\), which occurs in the presence of sunlight?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceWhich is the correct pair of solid and gaseous products formed when calcium carbonate is heated?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceCalcium oxide reacts with water to form only calcium hydroxide, and the container becomes hot. Which conclusion is most complete?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceWhy is the burning of magnesium considered a combination reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceWhy is a magnesium ribbon cleaned with sandpaper before burning?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceIn two formula units of magnesium oxide, what is the ratio of magnesium atoms to oxygen atoms?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceHow many oxygen atoms are required to form two water molecules?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceIf a chemical equation has the same number of hydrogen atoms on both sides but an unequal number of oxygen atoms, what is the correct conclusion?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceWhy are coefficients, rather than subscripts, changed when balancing a chemical equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceIn an open container, the measured mass after a reaction is lower because a gas produced escapes. Which conclusion is correct?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceWhich arrangement is most suitable for demonstrating the law of conservation of mass experimentally?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceWhich statement about the reaction \(\mathrm{Fe + CuSO_4 \rightarrow FeSO_4 + Cu}\) is correct?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1Expert ScienceWhy should a chemical reaction be confirmed carefully when only a colour change is observed?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1Expert ScienceOn what basis do curd formation from milk and ice formation from water differ?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1Expert ScienceA student placed an iron nail in a blue copper sulphate solution. After some time, a reddish-brown coating appeared on the nail and the solution turned green. Which is the correct conclusion from this observation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1Expert ScienceWhat is the correct energy based difference between photosynthesis and respiration?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1Expert