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Q1. Of the following, which one is used in the making of space satellites?
Q2. Of the following factors, which one does not affect the rate of the reaction?
Q3. The Law of conservation of mass is applicable to which of the following reactions?
Q4. By which process sulphur is extracted from the earth's crust?
Q5. Sodium silicate solution is also known as……
Q6. Hydrogen is a non-metal and has only……… electron/s
Q7. Sulphur is used in which of the following fields?
Q8. Of the following which one is used for vulcanization of rubber?
Q9. The first most abundant element occuring in the earth's crust is…………..
Q10. Of the following which one is used in manufacturing cutting and grinding tools?
Q11. Silicone is used in and as ....
Q12. Organo silicon polymers are known as .....
Q13. Which is the second most abundant element found in the earth's crust?
Q14. Pipes, stoves, and hot water radiators are manufactured with…..
Q15. The flux used during extraction of iron is........
Q16. By which process Bauxite ore is processed?
Q17. Electroplating with zinc is known as…..
Q18. Of the following which one rusts easily?
Q19. The second most abundant metal in the earth's crust is……….
Q20. From which of the following, helmets and steels are made of?
Q21. Copper pyrites is concentrated by……..
Q22. Of the following which one is not a coinage metal?
Q23. What happens when fluorspar is added in the Hall's electrolytic process of aluminium?
Q24. Which one of the following is the gangue present in the haematite ore?
Q25. By what process Germanium is purified?
Q26. Pick the metal that does not react with steam?
Q27. What is the term for the process of extraction of pure metals from their ores?
Q28. Dissolution of sodium carbonate in water is an example of………… ....
Q29. With the increase in concentration, the rate of the reaction………….
Q30. Rusting of an iron is an example of………… reaction
Q31. Of the following, which one affects the rate of the reaction?
Q32. Of the following, which one is an example of photo chemical reaction?
Q33. A divalent element has 65.38 as its atomic mass. What is its equivalent mass?
Q34. The volume occupied by 1 mole of the compound at STP is…………..
Q35. What is the term for a substance which accepts one or more electrons from the other?
Q36. Pick the correct orbital of an electron with quantum number n=3 and l=0.
Q37. If the n value of an electron is 2, what would its l value?
Q38. Oxidation number of hydrogen in LiH is……….
Q39. The quantum number which gives the maximum number of electrons in a shell is …………….. Quantum number.
Q40. The direction of spin of an electron in an atomic orbital is explained by……………. Quantum number.
Q41. In an atom, no two electrons have the same set of four quantum numbers.How do we call this phenomenon?
Q42. Among the following, which one always has -1 oxidation state?
Q43. The oxidation number of hydrogen in metallic hydide is………….
Q44. If the electron is present in 1 s orbital, what would be the values of n and l?
Q45. If n=3, what can be the possible values of l?
Q46. What is the term for the plane at which electron density is zero?
Q47. Of the following, which one is called the "(n+1) rule?
Q48. Magnetic quantum number represents which of the following?
Q49. Azimuthal quantum number represents which of the following?
Q50. Of the following, which one represents the orientation of an atomic orbital in space?
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