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Class 11 · Chemistry
→In a closed vessel total reactants are 80 grams. If one product is 47 grams what is the other product?
Class 11 · Chemistry
→A pure compound contains 70 percent A and 30 percent B. What is the simple mass ratio A:B?
Class 11 · Chemistry
→A pure compound contains 48 percent A and 52 percent B. What is the simple mass ratio A:B?
Class 11 · Chemistry
→A pure compound contains 12 percent A and 88 percent B. What is the simple mass ratio A:B?
Class 11 · Chemistry
→A pure compound contains 55 percent A and 45 percent B. What is the simple mass ratio A:B?
Class 11 · Chemistry
→A pure compound contains 28 percent A and 72 percent B. What is the simple mass ratio A:B?
Class 11 · Chemistry
→A pure compound contains 64 percent A and 36 percent B. What is the simple mass ratio A:B?
Class 11 · Chemistry
→A pure compound contains 42 percent A and 58 percent B. What is the simple mass ratio A:B?
Class 11 · Chemistry
→A pure compound contains 18 percent A and 82 percent B. What is the simple mass ratio A:B?
Class 11 · Chemistry
→In which law are mass relations among three elements studied?
Class 11 · Chemistry
→For which law is a closed system the best experimental method?
Class 11 · Chemistry
→Before applying which law should the same temperature and pressure of gases be checked?
Class 11 · Chemistry
→Before applying which law should several compounds of the same two elements be identified?
Class 11 · Chemistry
→Before applying which law is it necessary to check that the sample is a pure compound?
Class 11 · Chemistry
→What is the importance of simple whole number ratios in laws of chemical combination?
Class 11 · Chemistry
→Two elements separately combine with a fixed mass of a third element. Which law is indicated?
Class 11 · Chemistry
→If two gases react in a 3:2 ratio at the same temperature and pressure which law is useful?
Class 11 · Chemistry
→If every pure sample of \(NaCl\) has the same percentage of sodium and chlorine which law applies?
Class 11 · Chemistry
→At same temperature and pressure gas volumes are 6 litres 6 litres and 18 litres. What is the simple volume ratio?
Class 11 · Chemistry
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