Search questions
Use text search or combine filters to find exactly the questions you need.
Class 11 · Chemistry
→Which option correctly shows fixed composition of a pure compound?
Class 11 · Chemistry
→In which example will the law of definite proportions not apply directly?
Class 11 · Chemistry
→If two samples of a pure compound have ratios 12:16 and 3:4 what is the correct conclusion?
Class 11 · Chemistry
→A compound has 27 grams A and 45 grams B. What is the simple ratio A:B?
Class 11 · Chemistry
→If A:B is 9:4 in a compound and B is 20 grams what is A?
Class 11 · Chemistry
→In a compound A:B is 8:5 and total mass is 65 grams. What is the mass of B?
Class 11 · Chemistry
→In a pure compound A and B are in the ratio 6:11. If A is 18 grams how much is B?
Class 11 · Chemistry
→Which law explains the fixed mass ratio of zinc and sulfur in pure (ZnS)?
Class 11 · Chemistry
→In every pure sample of (Al_2O_3) the ratio of aluminium and oxygen remains same. Which law does this show?
Class 11 · Chemistry
→In an experiment total products are 90 grams. If product A is 52 grams and product B is 18 grams what is product C?
Class 11 · Chemistry
→If 13 grams A and 27 grams B form two products in a closed system what is the total product mass?
Class 11 · Chemistry
→In a reaction 48 grams of total reactants form 20 grams of solid product and a gas. What is the mass of the gas?
Class 11 · Chemistry
→If 64 grams of product is formed and one reactant was 25 grams what is the mass of the other reactant?
Class 11 · Chemistry
→In a closed vessel 32 grams of reactant A and 18 grams of reactant B combine. What will be the total mass of products?
Class 11 · Chemistry
→What final check should be done in questions on these laws?
Class 11 · Chemistry
→Which option contains a wrong conclusion?
Class 11 · Chemistry
→If a question asks why gases combine in 2:1 volume ratio what should be the answer?
Class 11 · Chemistry
→If a question asks why oxygen masses in (NO) and (NO_2) are in simple ratio what should be the answer?
Class 11 · Chemistry
→If a question asks why the composition of a pure compound is always same what should be the answer?
Class 11 · Chemistry
→