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Class 11 · Chemistry
→If a question asks where mass went in a chemical reaction what is the most scientific answer?
Class 11 · Chemistry
→Which option states a correct feature of laws of chemical combination?
Class 11 · Chemistry
→A student used two samples of the same compound for multiple proportions. What is the correct correction?
Class 11 · Chemistry
→A student compared masses in grams for the law of gaseous volumes. What is the correct correction?
Class 11 · Chemistry
→If 2 volumes gas A and 5 volumes gas B form 2 volumes gas C what is the correct ratio?
Class 11 · Chemistry
→In two compounds fixed 4 grams A combines with 5 grams and 10 grams B. Which law is supported?
Class 11 · Chemistry
→Two samples of a compound have ratios 2:7 and 4:14. Which conclusion is correct?
Class 11 · Chemistry
→In which situation can product mass be measured less than reactant mass but the law is not wrong?
Class 11 · Chemistry
→If a question gives litre units and gases which law is likely?
Class 11 · Chemistry
→If a question gives gram units and composition of a pure compound which law is likely?
Class 11 · Chemistry
→Which statement correctly differentiates multiple proportions and gaseous volumes?
Class 11 · Chemistry
→Which statement correctly differentiates definite proportions and multiple proportions?
Class 11 · Chemistry
→Which statement correctly differentiates conservation of mass and definite proportions?
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 same temperature and pressure which law should be thought of first?
Class 11 · Chemistry
→Which statement uses conservation of mass correctly?
Class 11 · Chemistry
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