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Class 11 · Chemistry
→Which statement uses multiple proportions correctly?
Class 11 · Chemistry
→If 1 volume chlorine and 1 volume hydrogen form 2 volumes hydrogen chloride which law applies?
Class 11 · Chemistry
→A student changed ratio 2:4 into 1:2. What correct process is this?
Class 11 · Chemistry
→Two samples of a pure compound have A:B as 3:5 and 6:10. What is the correct conclusion?
Class 11 · Chemistry
→If 3 grams A and 7 grams B form 9 grams product and 1 gram gas is mass conserved?
Class 11 · Chemistry
→If 6 grams magnesium combines with 4 grams oxygen to form 10 grams substance which law is shown?
Class 11 · Chemistry
→In an open flask limestone and acid showed decreased mass. What is the most likely reason?
Class 11 · Chemistry
→Which option correctly matches the law and condition?
Class 11 · Chemistry
→Which option correctly matches the law and clue?
Class 11 · Chemistry
→If (CO) has 16 grams oxygen with fixed carbon and (CO_2) has 32 grams oxygen with same carbon what is the ratio?
Class 11 · Chemistry
→A pure sample has 2 grams A and 6 grams B. In another sample of same compound if A is 4 grams how much B should be present?
Class 11 · Chemistry
→If the same two elements form two different compounds which law should be checked?
Class 11 · Chemistry
→If two elements form only one compound and its ratio is fixed which law applies most directly?
Class 11 · Chemistry
→In which situation will conservation of mass be tested correctly?
Class 11 · Chemistry
→A teacher gave (H_2O) and (H_2O_2) as examples. For which law are these good examples?
Class 11 · Chemistry
→If volumes in a gaseous reaction are in ratio 1:1:2 which law does this match?
Class 11 · Chemistry
→In Gay-Lussac's law why should volume comparison be careful if temperature and pressure are not same?
Class 11 · Chemistry
→If a sample is a pure compound how should the ratio of its elements be?
Class 11 · Chemistry
→A student says water from any source has the same composition. This statement is based on which law?
Class 11 · Chemistry
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