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Class 11 · Chemistry
→In different samples of pure CaCl₂, the percentage of elements remains the same. Which law is this?
Class 11 · Chemistry
→The pair \(PbO\) and \(PbO_2\) gives different compounds of lead and oxygen. Which law will apply?
Class 11 · Chemistry
→The pair \(FeCl_2\) and \(FeCl_3\) gives different compounds of iron and chlorine. Which law will apply?
Class 11 · Chemistry
→The pair \(SnO\) and \(SnO_2\) gives different compounds of tin and oxygen. Which law will apply?
Class 11 · Chemistry
→The pair \(CuO\) and \(Cu_2O\) gives different compounds of copper and oxygen. Which law will apply?
Class 11 · Chemistry
→The pair \(NO\) and \(N_2O\) gives different compounds of nitrogen and oxygen. Which law will apply?
Class 11 · Chemistry
→At the same temperature and pressure gas volumes are 15 litres 25 litres and 5 litres. What is the simplest ratio?
Class 11 · Chemistry
→At the same temperature and pressure gas volumes are 13 litres 26 litres and 13 litres. What is the simplest ratio?
Class 11 · Chemistry
→At the same temperature and pressure gas volumes are 11 litres 22 litres and 33 litres. What is the simplest ratio?
Class 11 · Chemistry
→At the same temperature and pressure gas volumes are 9 litres 27 litres and 18 litres. What is the simplest ratio?
Class 11 · Chemistry
→At the same temperature and pressure gas volumes are 20 litres 30 litres and 10 litres. What is the simplest ratio?
Class 11 · Chemistry
→At the same temperature and pressure gas volumes are 18 litres 6 litres and 12 litres. What is the simplest ratio?
Class 11 · Chemistry
→At the same temperature and pressure gas volumes are 16 litres 24 litres and 8 litres. What is the simplest ratio?
Class 11 · Chemistry
→At the same temperature and pressure gas volumes are 14 litres 7 litres and 21 litres. What is the simplest ratio?
Class 11 · Chemistry
→In two compounds, a fixed mass of 30 g of A combines with 24 g and 96 g of B, respectively. What is the simplest ratio of the masses of B?
Class 11 · Chemistry
→In two compounds, a fixed mass of 12 g of A combines with 18 g and 30 g of B, respectively. What is the simplest ratio of the masses of B?
Class 11 · Chemistry
→In two compounds, a fixed mass of 16 g of A combines with 27 g and 81 g of B, respectively. What is the simplest ratio of the masses of B?
Class 11 · Chemistry
→In two compounds, a fixed mass of 14 g of A combines with 22 g and 44 g of B, respectively. What is the simplest ratio of the masses of B?
Class 11 · Chemistry
→In two compounds, a fixed mass of 25 g of A combines with 30 g and 45 g of B, respectively. What is the simplest ratio of the masses of B?
Class 11 · Chemistry
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