Search questions
Use text search or combine filters to find exactly the questions you need.
Class 11 · Chemistry
→A student applied definite proportions to salt water. What is the correct correction?
Class 11 · Chemistry
→A student says conservation of mass means each product mass equals each reactant mass. What is the mistake?
Class 11 · Chemistry
→In which question is the law of multiple proportions most likely to apply?
Class 11 · Chemistry
→If a question gives same mass percentage in two samples of one compound which law applies?
Class 11 · Chemistry
→If a question gives litres of gases at the same temperature and pressure, which law should be thought of first?
Class 11 · Chemistry
→Which statement uses conservation of mass correctly?
Class 11 · Chemistry
→Which statement uses definite proportions correctly?
Class 11 · Chemistry
→Which statement uses multiple proportions correctly?
Class 11 · Chemistry
→If 1 volume chlorine and 1 volume hydrogen form 2 volumes hydrogen chloride which law applies?
Class 11 · Chemistry
→A student changed the ratio 2:4 into 1:2. What correct process is this?
Class 11 · Chemistry
→Two samples of a pure compound have A:B as 3:5 and 6:10. What is the correct conclusion?
Class 11 · Chemistry
→If 3 grams A and 7 grams B form 9 grams product and 1 gram gas is mass conserved?
Class 11 · Chemistry
→If 6 grams magnesium combines with 4 grams oxygen to form 10 grams substance which law is shown?
Class 11 · Chemistry
→In an open flask, limestone and acid showed a decrease in mass. What is the most likely reason?
Class 11 · Chemistry
→Which option correctly matches the law and condition?
Class 11 · Chemistry
→Which option correctly matches the law and clue?
Class 11 · Chemistry
→If (CO) has 16 grams oxygen with fixed carbon and (CO_2) has 32 grams oxygen with same carbon what is the ratio?
Class 11 · Chemistry
→A pure sample has 2 grams A and 6 grams B. In another sample of same compound if A is 4 grams how much B should be present?
Class 11 · Chemistry
→If the same two elements form two different compounds which law should be checked?
Class 11 · Chemistry
→