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Class 11 · Chemistry
→In a compound mass ratio A:B is 2:5. If A is 6 grams how much is B?
Class 11 · Chemistry
→When two elements form more than one compound, the masses of one element that combine with a fixed mass of the other are in simple whole-number ratios. Which law states this?
Class 11 · Chemistry
→In a reaction, the total mass of the reactants is 36 grams. If product A has a mass of 13 grams and product B has a mass of 17 grams, what is the mass of the third product?
Class 11 · Chemistry
→If total products are 50 grams and product A is 18 grams what is product B?
Class 11 · Chemistry
→In a closed system 11 grams A and 19 grams B form two products. What will be total product mass?
Class 11 · Chemistry
→If 40 grams reactants form 24 grams solid product and a gas what is the mass of gas?
Class 11 · Chemistry
→In a reaction 7 grams and 9 grams reactants combine. What is total product mass in a closed system?
Class 11 · Chemistry
→If 28 grams of product are formed and one reactant has a mass of 12 grams, what is the mass of the other reactant?
Class 11 · Chemistry
→In a closed vessel 10 grams A and 15 grams B react. What will be total mass of products?
Class 11 · Chemistry
→What is the best first step to solve questions on laws of chemical combination?
Class 11 · Chemistry
→What is the most common mistake in laws of chemical combination?
Class 11 · Chemistry
→In which law does percentage composition of a pure compound remain same?
Class 11 · Chemistry
→In which law is the most direct experimental measurement weighing reactants and products?
Class 11 · Chemistry
→Which law compares two different compounds?
Class 11 · Chemistry
→Which law checks composition of samples of the same pure compound?
Class 11 · Chemistry
→Which law looks at total mass before and after a chemical reaction?
Class 11 · Chemistry
→Which statement is correct about definite proportions?
Class 11 · Chemistry
→Which statement is correct for multiple proportions?
Class 11 · Chemistry
→Which statement is wrong for conservation of mass?
Class 11 · Chemistry
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