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Q1. Which of the following is used as a catalyst in the manufacture of sulphuric acid?
Correct answer : 2
Q2. Oil of vitriol is………………
Correct answer : 4
Q3. The term for the reaction between sugar and concentrated sulphuric acid is…
Correct answer : 1
Q4. The head of a matchstick contains……………….
Correct answer : 4
Q5. White phosphorous is a ………….
Correct answer : 3
Q6. Iron sulphides, used in matches, act as the………..
Correct answer : 1
Q7. Of the following which one is used for the treatment of blood cancer?
Correct answer : 1
Q8. Of the following which one mainly contain phosphorous?
Correct answer : 4
Q9. Who enunciated the laws of electrolysis?
Correct answer : 2
Q10. The general purpose of electroplating is for……………
Correct answer : 2
Q11. When an electric current is passed through the electrolyte ......
Correct answer : 3
Q12. Who described the concept of electrolytic dissociation?
Correct answer : 2
Q13. The degree of dissociation of an electrolyte depends on……..
Correct answer : 3
Q14. The purpose of electrorefining is for the ……………..
Correct answer : 1
Q15. A strong electrolyte in water………
Correct answer : 3
Q16. Which of the following is an example of true solution?
Correct answer : 1
Q17. Soda water is a solution of……….
Correct answer : 4
Q18. The solute in the solution can be separated by…….
Correct answer : 2
Q19. True Solution belongs to…….
Correct answer : 1
Q20. An example of gas in liquid is ............
Correct answer : 2
Q21. Smoke is an example of which of the following?
Correct answer : 3
Q22. Brass is a solution of
Correct answer : 4
Q23. What happens when copper sulphate is dissolved in water?
Correct answer : 3
Q24. The content of Homo nuclear molecules are
Correct answer : 4
Q25. Benzene is a …………..solvent
Correct answer : 4
Q26. The general content of Organic compounds are……
Correct answer : 1
Q27. How does an "anion" is formed?
Correct answer : 1
Q28. How does a 'Cation" is formed?
Correct answer : 3
Q29. In comparison, the melting point of covalent compounds to that of ionic compounds is.......
Correct answer : 3
Q30. Which of the following bond is found in Sodium Chloride?
Correct answer : 4
Q31. How does the Covalent bond is formed?
Correct answer : 4
Q32. Among the following compounds, which compound does not conduct electricity?
Correct answer : 2
Q33. In which of the following, Covalent compounds are soluble?
Correct answer : 3
Q34. Ionic compounds are generally in ....... State.
Correct answer : 2
Q35. Covalent compounds are generally in………….. State.
Correct answer : 4
Q36. What is the term for the sum of number of protons and neutrons present in the atomic nucleus?
Correct answer : 3
Q37. Sodium hasw atomic number 11 and mass number 23. What will be the number of neutrons in its nucleus?
Correct answer : 3
Q38. What is the content in the Nucleus of an atom?
Correct answer : 4
Q39. What happens when an electrons jumps from M Shell to K Shell?
Correct answer : 2
Q40. Who suggested the concept of 'elliptical orbitals'?
Correct answer : 2
Q41. Gain of one or more electrons by an atom in a chemical reaction is called….
Correct answer : 2
Q42. The term for the loss of one or more electrons by an atom in a chemical reaction is........
Correct answer : 3
Q43. Isotopes differ in their .....
Correct answer : 2
Q44. The instrument used to identify isotopes is.........
Correct answer : 3
Q45. Who among the following discovered the presence of isotopes in an element?
Correct answer : 2
Q46. Atomic number is equal to the number of .....
Correct answer : 4
Q47. The term for the total number of protons and neutrons present inside the nucleus is…...
Correct answer : 2
Q48. How many electrons can be accommodated in d-orbital?
Correct answer : 3
Q49. The term for the number of electrons present in the outermost orbital of an element is .....
Correct answer : 4
Q50. The number of electrons that can be present in p-orbital is…..