Question 1 : The electrons head in ___________ direction.
1. Same
2. Different
3. Opposite to one another
4. Random
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Question 2 : Graphite is also called as______
1. White lead
2. Black lead
3. White coal
4. Black coal
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Question 3 : Nano particles target the rare _______ causing cells and remove them from blood.
1. Tumour
2. Fever
3. Infection
4. Cold
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Question 4 : The vander-waals diameter of C₆₀ is ________
1. 1.1nm
2. 1.2nm
3. 1.3nm
4. 1.4nm
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Question 5 : The structure of C₆₀ is called as _______
1. Isohedron
2. Truncated isohedron
3. Trigonal
4. Trigonal bipyramidal
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Question 6 : The smallest bucky ball cluster is _________
1. C₆
2. C₈
3. C₁₀
4. C₂₀
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Question 7 : Sol-gel method can produce __________ systems.
1. Uniform multi component
2. Non uniform multi component
3. Multi component
4. Non uniform multi component
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Question 8 : Multi walled CNT are ________ concentric nano tubes.
1. Single
2. Double
3. Triple
4. Multiple
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Question 9 : To remove the excess silver ions the solution is washed with _________ under nitrogen stream.
1. Heavy water
2. Mineral water
3. Deioniser water
4. Impure water
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Question 10 : Plasma torch method is similar to the __________
1. Laser ablation
2. Arc discharge
3. Chemical vapour decomposition
4. Electrolysis
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