- 1(current)
Q. No.The mass percentage of nitrogen in uracil is :
1. 30%
2. 25%
3. 35%
4. 20%
1. 30%
2. 25%
3. 35%
4. 20%
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statements is incorrect?
| 1. | In a homogeneous mixture, the composition is uniform. |
| 2. | Compounds are formed when atoms of different elements combine together in any ratio. |
| 3. | Atoms of the same element have identical atomic mass and properties. |
| 4. | In a heterogeneous mixture, the composition is not uniform. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyUsing the rules for significant figures, the correct answer for the expression \(\frac{0.02858 \times 0.112}{0.5702}\) will be :
1. \(0.005613\)
2. \(0.00561\)
3. \(0.0056\)
4. \(0.006\)
1. \(0.005613\)
2. \(0.00561\)
3. \(0.0056\)
4. \(0.006\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe number of significant figures in \(0.00340\) is:
1. 5
2. 2
3. 4
4. 3
1. 5
2. 2
3. 4
4. 3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFerrous sulphate heptahydrate is used to fortify foods with iron. The amount (in grams) of the salt required to achieve 10 ppm of iron in 100 kg of wheat is:
(Atomic weight :Fe = 55.85; S 32.00; O ; 16.00)
1. 3 gram
2. 12 gram
3. 1 gram
4. 4.97 gram
(Atomic weight :Fe = 55.85; S 32.00; O ; 16.00)
1. 3 gram
2. 12 gram
3. 1 gram
4. 4.97 gram
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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