Questionaire

Q1. Identify the following equations

• C₆ H₁₂O₆ -> CO₂ + H₂O + Energy
• 2K + 2H₂O -> 2KOH + H₂ + Energy
• 2Na + 2H₂O -> 2NaOH + H₂ + Energy
• CaCO₃ + H₂O + CO₂ -> Ca(HCO₃)₂
• Fe₂O₃ + 2Al -> Al₂O₃ + 2Fe
• Na₂SO₄ + BaCl₂ -> BaSO₄ + 2NaCl
• NaCl + AgNO₃ -> AgCl + NaNO₃

Q2. Give 5 examples of metals?

Q3. Give 5 examples of non metals?

Q4. Give 3 examples of acid?

Q5. Give 3 example of base?

Q6. What is NaCl?

Q7. What is acid?

Q8. What is base?

Q9. What is pH scale?

Q10. What is pH of strong acid?

Q11. What is pH of strong base?

Q12. What is the potency of neutral elements?

Q13. What should be the potency of petunia?

Q14. What should be the potency of Methyl Orange?

Q15. What is the formula of

1. Plaster of Paris
2. Soda bi carbonate
3. washing soda
4. Bleaching powder

Q16. What is aqua regia?

Q17. What is ore of

1. Aluminum
2. Iron
3. Calcium
4. Lead

Q18. Which acid is in lemons?

Q19. What is Döbereiner law of triads?

Q20. Which acid is in nettle leaf?

Q21. Which acid is in ant venom?

Q22. Which is ion of (a) acid (b) base?

Q23. What are hydrophilic and hydrophobic elements?

Q24. What is electrophilic ion?

Q25. What is electron donor?

Q26. What is ore?

Q27. What is smelting?

Q28. What is gangue?

Q29. What is froth floatation?

Q30. Define matter, molecule, atom, valency?

Q31. What is halogen?

Q32. What is inert gases?

Q33. What is ranicidity?

Q34. What are allotropes?

Q35. How is black carbon related to diamond?

Q36. How many allotrope of carbon are known to you?

Q37. Which is the 1st discovered and prepared carbon compounds?

Q38. Who made urea?

Q39. What is anodizing?

Q40. Who is the father of nuclear chemistry?

Q41. How did Rutherford prepare alpha particles from He atom?

Q42. In which plate did Rutherford took electrons?

Q43. Your friend’s mother got shining 8grm ring instead of dirty 10grm ring. which solution did jeweler use?

Q44. Which  is solute in aqua regia?

Q45. Which is solvent in aqua regia?

Q46. Which solution is used to test starch?

Q47. Calculate molecular formula of (a)NaCl, (b)NaOH, (c)KOH?

Q48. Convert in celsius – (a)573K, (b) 414K, (c) 300K?

Q49. Why is eucalyptus oil added in froth floating process?

Q50. Which harmful gas are liberated during roasting?

Q51. Make diagram of acetic acid(carbon)?

Q52. Show structure of propanol?

Q53. Make structure of phenyl amine?

Q54. What is isomer?

Q55. Name various isomers?

Q56. Name various type of coal?

Q57. Butter or oil. Which is harmful? why?

Q58. Name main constitution of LPG ?

Q59. Identify solute solvent solution in distemper?

Q60. Why do you see drop of water on leaf in winter?

Q61. From where do you get litmus solutions?

Q62. What is antacid?

Q63. Silver turns black. Why? Define type of reactions?

Q64. How will you prevent iron from rusting?

Q65. Formation of food in plants. Which type of reaction is it exothermic or endothermic? Define?

Q66. What is polymer?

Q67. What are phenyl groups?

Q68. Where was petroleum drilled first time?

Q69. What is constitution of petroleum?

Q70. What is polythene? Write it in equation form?

Q71. What is esterification?

Q72. Which is black gold?

Q73. Why are unsaturated fats unsafe to eat?

Q74. How many hydrated ions are there in plaster of Paris and gypsum?

Q75. Prove experimentally reactivity series?

Q76. Who proposed modern periodic table?

Q77. What is thermostatic plastic?

Q78. Why do microwavable plastic not burn in microwave?

Q79. What is configurational isomer?

Q80. What is optic isomer?

Q81. What are geometric isomers?

Q82. What is molecular formula of glucose?

Q83. From where did copper have its name?

Q84. Which is quick silver?

Q85. Which is liquid metal?

Q86. Why do you add CaCl₂ in rust test?