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Carbon Dioxide

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

ScienceHow does the gas formed when sodium hydrogen carbonate reacts with an acid help food rise?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8EasyScienceMagnesium produces a gas when added to an acidic solution. If sodium carbonate is added to the same solution, which other gas will be released?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceUnder which condition can carbon dioxide remove the milkiness of lime water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceBlue litmus turns red in a solution, and bubbles form when chalk powder is added to it. What is the correct conclusion?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceA white powder reacts with dilute acid to release a gas. The gas turns lime water milky, and excess gas reduces the milkiness. Which group can the white powder belong to?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceWhich is the most suitable sequence to confirm the presence of carbonate ions in a sample?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7MediumScienceAn unknown gas turns lime water milky but does not give a pop sound near a burning splint. Which gas is it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7MediumScienceAn unknown solution turns red litmus blue and forms a white precipitate when carbon dioxide is passed through it. Which substance is most likely present in the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7HardScienceWhy can the purity of sodium hydroxide decrease when it is left exposed to air?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6MediumScienceWhy is limewater useful for identifying carbon dioxide in the laboratory?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6MediumScienceWhich gas is released on heating sodium hydrogen carbonate and helps cakes rise?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 6MediumScienceWhat main products are formed when both metal carbonates and metal hydrogen carbonates react with acids?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6MediumScienceA student added dilute acid to sodium carbonate and passed the gas into lime water. Milkiness appeared first and then disappeared on passing excess gas. What is the correct reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6HardScienceIf a solution has pH less than 7 and releases gas with a metal carbonate, what could the solution be?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11EasyScienceWhich pair will react to form salt, water and carbon dioxide?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceNon-metal oxides can form acidic solutions in water. Which of the following is an example?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceWhat is the main benefit of adding a mild edible acid with baking soda in baking powder?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceWhy can sodium hydrogen carbonate be used in fire extinguishers?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceWhich substance will react with an acid to give carbon dioxide instead of hydrogen?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceThe gas formed in an acid and metal carbonate reaction can make lime water clear again when passed in excess. What is the reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium