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Class 11 · Chemistry
→Which pair is suitable for multiple proportions?
Class 11 · Chemistry
→Fixed 8 grams A combines with 6 grams and 18 grams B in two compounds. This is a clue for which law?
Class 11 · Chemistry
→In two compounds 6 grams A combines with 5 grams and 25 grams B. What ratio is obtained?
Class 11 · Chemistry
→In two compounds fixed 13 grams A combines with 16 grams and 48 grams B. What is the ratio of B?
Class 11 · Chemistry
→Comparison of lead and oxygen in (PbO) and (PbO_2) is related to which law?
Class 11 · Chemistry
→A compound has 63 grams A and 27 grams B. What is the simple ratio A:B?
Class 11 · Chemistry
→A sample has A:B as 15:21. What will be its simple ratio?
Class 11 · Chemistry
→If two samples of a pure compound have ratios 20:25 and 4:5 what is the conclusion?
Class 11 · Chemistry
→A compound has 42 grams A and 56 grams B. What is the simple ratio A:B?
Class 11 · Chemistry
→If A:B is 11:2 in a compound and A is 44 grams what is B?
Class 11 · Chemistry
→In a pure compound A:B is 10:3. If total mass is 65 grams what is B?
Class 11 · Chemistry
→Which option is a wrong example of definite proportions?
Class 11 · Chemistry
→In pure (BaSO_4) the ratio of barium sulfur and oxygen is always fixed. This is an example of which law?
Class 11 · Chemistry
→If total matter is 125 grams before reaction and 125 grams after reaction which law is supported?
Class 11 · Chemistry
→Mass appeared lower because gas escaped from an open vessel. What is the correct scientific conclusion?
Class 11 · Chemistry
→If 72 grams reactants form 41 grams product A and 19 grams product B what is the third product?
Class 11 · Chemistry
→In a reaction 84 grams product is formed. If one reactant is 46 grams what is the other reactant?
Class 11 · Chemistry
→If 15 grams A and 35 grams B react in a closed vessel what will be the total mass of products?
Class 11 · Chemistry
→What is the correct way to reduce calculation errors in laws of chemical combination?
Class 11 · Chemistry
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