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Q1. In which orbital 14 electrons can be accommodated?
Q2. Which among the following is the lightest metal in the periodic table?
Q3. In which of the following shells, 32 electrons can be accommodated?
Q4. In s-orbital, the number of electrons that can be accommodated is…..
Q5. In K Shell how many electrons can be present?
Q6. A three dimensional space in which the electrton is most probably present outside the nucleus is known as…..
Q7. Positively charged particles present in an atom are called…….
Q8. Negatively charged particles present in an atom are called………
Q9. Who proposed the first atomic theory?
Q10. Who proposed the "planetory model of an atom"?
Q11. The name of N/10 solution is........
Q12. Of the following which one is called 'centinormal solution'?
Q13. Of the following, which one is called 'decinormal solution'?
Q14. Which is the suitable indicator for the titration of strong acid with weak base?
Q15. Equivalent weight of an acid is 49 with a molecular weight of 98. In this what will be the number of replacable hydrogen atom?
Q16. Solution for which normality (strength) is known is called a .....
Q17. The product of valency and equivalent weight of an element is equal to its….
Q18. What is the equivalent weight of Oxygen?
Q19. What is the unit for 'equivalent weight'?
Q20. The colour of methy organge in acid medium is.......
Q21. The colour of methyl organge in alkaline medium is.......
Q22. The colour of phenolphthalein in basic medium is…..
Q23. What is the equivalent weight of NaOH?
Q24. The colour of phenolphthalein in acid medium is.........
Q25. What is the basicity of sulphuric acid?
Q26. What is the term for the number of replacable hydroxyl ions present in a molecule of a base?
Q27. What is the term for the number of replacable hydrogen atoms present in a molecule of an acid?
Q28. Chlorine's atomicity is.......
Q29. Sulphur's atomicity is…..
Q30. 2 x Vapour density is equal to Molecular Weight. It is applicable only to
Q31. The elementary gases such as hydrogen, oxygen, nitrogen are called…..
Q32. If the vapour density of oxygen is 16, what would be its molecular weight?
Q33. How many moles of NaOH are contained in 160g of it? (Atomic weight of Na = 23, O=16 and H=1)
Q34. The value of molar volume is……….. At S.T.P
Q35. Which of the following are diatomic in nature?
Q36. What is the term for half of the molecular weight of any substance?
Q37. Among the following which one is diatomic in nature?
Q38. What is the term for the number of atoms in one molecule of an element?
Q39. Equal volume of all gases containing the same number of atoms under S.T.P is called as……..
Q40. The gas equation PV=nRT indicates……..
Q41. Which one represents "Boyle's Law"
Q42. Who propounded the "law of gaseous volumes"?
Q43. Among the following which one is called the "Laughing Gas"?
Q44. Who state the "law of conservation of mass"?
Q45. the name for the chemical reaction carried out in light is called……..
Q46. If a small piece of sodium is put in water, what type of reaction would take place?
Q47. The reaction in which heat energy is absorbed is called as ...
Q48. The reaction in which heat energy is liberated is called as .....
Q49. For laboratory preparation of oxygen, which of the following is used as a catalyst?
Q50. if the pH of a solution is 14, then it would be a……
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