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Dalton's Atomic theory could not explain which of the following?
1. Law of multiple proportion
2. Law of gaseous volume
3. Law of conservation of mass
4. Law of constant proportion
1. Law of multiple proportion
2. Law of gaseous volume
3. Law of conservation of mass
4. Law of constant proportion
Subtopic: Introduction |
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NEET - 2025
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Select the correct statements from the following:
Choose the correct answer from the options given below:
| A: | Atoms of all elements are composed of two fundamental particles. |
| B: | The mass of the electron is \(9.10939 \times 10^{-31} \mathrm{~kg} \text {. }\) |
| C: | All the isotopes of a given element show the same chemical properties. |
| D: | Protons and electrons are collectively known as nucleons. |
| E: | Dalton's atomic theory regarded the atom as an ultimate particle of matter. |
| 1. | B, C and E only | 2. | A, B and C only |
| 3. | C, D and E only | 4. | A and E only |
Subtopic: Introduction |
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NEET - 2023
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The mass of a 2.5 mL solution (the density of the solution is 2.15 g/mL) in the correct significant figures is:
| 1. | 5375 × 10–3 g | 2. | 5.4 g |
| 3. | 5.38 g | 4. | 53.75 g |
Subtopic: Introduction |
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NEET - 2022
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