The particle required to continue the chain process of Uranium fission is :1). Electron2). Proton3). Neutron4). Positron
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1. Bone ash contains
2. Question 3.10:How does atomic radius vary in a period and in a group? How do you explain the variation?
3. German silver is an alloy of
4. Philosopher’s wool is chemically
5. DNA stands for _____.
6. Helium gas is filled in ballons because
7. The conversion of hard water into soft water by boiling or adding calcium hydroxide is called _______.
8. When a few typical solutes are separted by aparticular selective membrane, such as protein particles from blood corpuscles, the process is called-
9. Which of these acids is not organic in origin?
10. Which one of the following forms of phosphorus is most reactive?
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