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Gas Tests

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

ScienceA student passed the gas evolved from zinc and dilute acid into lime water. No milkiness appeared. What is the correct conclusion?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12MediumScienceA gas is evolved when magnesium ribbon is added to dilute sulphuric acid. Which test is most suitable to identify this gas?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7MediumScienceIn an acidic solution, zinc first releases a gas and then limestone releases another gas. What is the correct identification of both gases?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14MediumScienceAn 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 12HardScienceAdding acid to a solution gives no carbon dioxide, but adding zinc gives hydrogen. What nature could the solution already have?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10HardScienceIn an experiment both hydrogen gas and carbon dioxide gas may form. What are the correct tests to identify them?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 9MediumScienceAn 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 7MediumScienceWhat sound is heard when a burning splint is brought near hydrogen gas?Class 10Chemical Substances – Nature and BehaviourLevel 9Easy