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Some Basic Concepts Of Chemistry

Class 11 Chemistry के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ChemistryWhich example is wrong for the law of multiple proportions?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 15EasyChemistryIn two compounds, fixed 4 grams of A combines with 5 grams and 10 grams of B. Which law is supported?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 15EasyChemistryIn which question is the law of multiple proportions most likely to apply?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 15EasyChemistryIf a question gives litres of gases at the same temperature and pressure, which law should be thought of first?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 15EasyChemistryWhich statement uses multiple proportions correctly?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 15EasyChemistryA student changed the ratio 2:4 into 1:2. What correct process is this?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 15EasyChemistryIn an open flask, limestone and acid showed a decrease in mass. What is the most likely reason?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 15EasyChemistryA teacher gave H₂O and H₂O₂ as examples. For which law are these good examples?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 15EasyChemistryIf volumes in a gaseous reaction are in the ratio 1:1:2, which law does this match?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 15EasyChemistryIf a sample is a pure compound, how should the ratio of its elements be?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 15EasyChemistryIf 27 grams of water contains 3 grams of hydrogen, what is the mass of oxygen?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 14EasyChemistryAt the same temperature and pressure, 1 volume of nitrogen and 3 volumes of hydrogen combine. What is their volume ratio?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 14EasyChemistryIn a compound, the mass ratio of two elements is 3:4. If the total mass is 21 grams, what is the mass of the second element?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 14EasyChemistryIn a closed vessel, 8 grams of oxygen and 1 gram of hydrogen react. What will be the total mass of the products?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 14EasyChemistryIf gas escapes during a reaction, what care is needed while checking conservation of mass?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 13EasyChemistryWho gave the law of gaseous volumes?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 13EasyChemistryThe law of multiple proportions is associated with which scientist?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationLevel 13EasyChemistryWhat is the similarity between oxygen and ozone?Class 11Some Basic Concepts of ChemistryNature of matterLevel 12EasyChemistryWhat is the main difference between solute and solvent?Class 11Some Basic Concepts of ChemistryNature of matterLevel 12EasyChemistryWhat is the similarity between smoke and fog?Class 11Some Basic Concepts of ChemistryNature of matterLevel 12Easy