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Questions and Answers
According to the law of constant proportions, which of the following statements is true?
According to the law of constant proportions, which of the following statements is true?
- The mass of the elements in a compound is always equal
- The mass of the elements in a compound can vary depending on the source
- Different compounds can have the same elements in different proportions
- The ratio of elements in a compound is always the same regardless of the source (correct)
What is the ratio of nitrogen to hydrogen in ammonia according to the law of constant proportions?
What is the ratio of nitrogen to hydrogen in ammonia according to the law of constant proportions?
- 1:8
- 3:14
- 1:1
- 14:3 (correct)
Which scientist is credited with stating the law of constant proportions?
Which scientist is credited with stating the law of constant proportions?
- Lavoisier
- Einstein
- Newton
- Proust (correct)
What is the ratio of hydrogen to oxygen in water according to the law of constant proportions?
What is the ratio of hydrogen to oxygen in water according to the law of constant proportions?
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What did Lavoisier and other scientists observe about compounds?
What did Lavoisier and other scientists observe about compounds?
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