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Chemistry: Mixtures, Solutions And Solubility
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Chemistry: Mixtures, Solutions And Solubility
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25 Questions

1. Isotopes of an element
2. How many orbitals make up any s-sub level?
3. The number of moles of solute present in 1 kg of a solvent is called its
4. Distillation at reduced pressure is used for liquids which
5. According to Heisenberg's uncertainty principle; it is not possible to determine
6. In which of the following groups, are the elements written in the descending order of their respective atomic weights?
7. For a solution of volatile liquids, the partial vapour pressure of each component in solution is directly proportional to its
8. According to Bohr's theory of hydrogen atom, the angular momentum of the electron in the fourth orbit is given by
9. Which of the following statements is correct? I. German silver is an alloy of silver, copper and zinc II. There is no zinc in brass III. Bronze is an alloy of copper and tin
10. A molecule whose electrons are distributed unsymmetrical is said to be
11. Of all the gases present in the air, which one of the following is the highest in percentage?
12. Colloids
13. A fractionating column is a glass apparatus used to
14. Neutrons are obtained by
15. Evidence for the existence of energy level in atom is supplied by
16. The names of the scientists, Newlands, Mendeleev and Meyer are associated with the development of
17. Colloids are purifi ed by
18. Alloys in which mercury is one of the metals are called
19. The mass number of an atom is equal to
20. Which quantum number cannot have an integral value?
21. For the dumb bell shaped orbital, the value of l is
22. The mass of one Avogadro number of helium atom is
23. The nuclear particles that are assumed to hold nucleons together are
24. Which of the following is a mixture?
25. The maximum electron capacity of any orbital is

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