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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
→If a question only asks why total mass did not change in a reaction what should be the answer?
Class 11 · Chemistry
→Which option has all clues in correct order?
Class 11 · Chemistry
→Which statement correctly explains the scope of the law of gaseous volumes?
Class 11 · Chemistry
→Which statement correctly explains the scope of multiple proportions?
Class 11 · Chemistry
→Which statement correctly explains the scope of definite proportions?
Class 11 · Chemistry
→Which statement correctly explains the condition for conservation of mass?
Class 11 · Chemistry
→Which option correctly matches scientist and law?
Class 11 · Chemistry
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