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Class 11 · Chemistry
→With 5 grams of one element 10 grams and 20 grams of another element combine in two compounds. Which law is shown?
Class 11 · Chemistry
→In two compounds 12 grams of the same element combine with 16 grams and 32 grams oxygen. What is the ratio of oxygen masses?
Class 11 · Chemistry
→A compound has 10 grams metal and 5 grams non-metal. What is the simple metal:non-metal ratio?
Class 11 · Chemistry
→A pure compound has 6 grams A and 9 grams B. What is the simple ratio A:B?
Class 11 · Chemistry
→If one pure sample of a compound has A:B ratio 4:1 what will be the ratio in another pure sample?
Class 11 · Chemistry
→If two samples of the same compound have element ratios 1:2 and 1:2 which law is supported?
Class 11 · Chemistry
→In a compound mass ratio of elements is 3:4. If total mass is 21 grams what is mass of the second element?
Class 11 · Chemistry
→In a compound ratio of A and B is 5:2. If total mass is 14 grams what is mass of A?
Class 11 · Chemistry
→In water mass ratio of hydrogen and oxygen is 1:8. If hydrogen is 2 grams how much oxygen is needed?
Class 11 · Chemistry
→In a compound mass ratio of elements A and B is 2:3. If A is 4 grams then how much is B?
Class 11 · Chemistry
→If 18 grams product formed and one reactant was 6 grams what was the mass of the other reactant?
Class 11 · Chemistry
→In a reaction 15 grams of one reactant and 5 grams of another reactant combine. What is total product mass in a closed system?
Class 11 · Chemistry
→If 12 grams carbon reacts completely with 32 grams oxygen what is the total mass of products?
Class 11 · Chemistry
→In a closed vessel 8 grams oxygen and 1 gram hydrogen react what will be total mass of product?
Class 11 · Chemistry
→What should be identified first while studying laws of chemical combination?
Class 11 · Chemistry
→Which statement is correct for the law of gaseous volumes?
Class 11 · Chemistry
→Which statement is against the law of definite proportions?
Class 11 · Chemistry
→Which statement is against the law of conservation of mass?
Class 11 · Chemistry
→Which clue is most useful for understanding the law of reciprocal proportions?
Class 11 · Chemistry
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