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Q1. What happens to the melting point of ice when an impurity is added to it?
Q2. What will happen to the freezing point when salt is added to ice?
Q3. What happens when water solidifies to ice?
Q4. 1:3 mixture of salt and ice is called……
Q5. Among the following which one is produced under the "Sublimation Process"?
Q6. What is the name for the process of conversion of solid state to gaseous state?
Q7. Among the following which one is used as a protective support to enable the joining of broken bones?
Q8. What contributes to the hardness of water in nature?
Q9. Among the following which one is considered as the "super cooled liquid"?
Q10. Who among the following discovered Cement?
Q11. Who among the following were the first to use Cement/
Q12. 3:1 mixture of concentrated hydrochloric acid and concentrated nitric acid is called ....
Q13. Which of the following element is present in bones?
Q14. Citric Acid is present in........
Q15. In which of the following Tartaric Acid is present?
Q16. The pH value of sea water is.......
Q17. What is the acid present in the tea?
Q18. Which acid is present in sour milk?
Q19. What is the acid present in the stomach ?
Q20. What is the pH value of water?
Q21. Which is the lightest element in the periodic table?
Q22. Among the following, which element does not contain neutron?
Q23. .......... Exhibits acinitro tautomerism.
Q24. ........is the isomerism exhibited by diethylamine and methyl propylamine.
Q25. ……………is the compound that produces an oily nitrosoamine with aqueous nitrous acid.
Q26. Reaction of Benzylamine with acetyl chloride gives us…….
Q27. With nitrous acid, benzylamine gives which of the following?
Q28. Pick the correct statement from the following:
Q29. Aniline is a weaker base than which of the following?
Q30. ........does not form diazonium salt.
Q31. ..........is produced when Benzene diazonium chloride is boiled with water.
Q32. ………………is obtained when benzene diazonium chloride is reduced with tin and HCl.
Q33. .........is formed as an intermediate during the nitration of benzene.
Q34. Mixture of amines are prepared by………………
Q35. ………………is formed by the reaction of Aniline with benzoyl chloride.
Q36. ……………….is formed when aniline reacts with phosgene.
Q37. .........nitrogen compound is used to prepare sulpha drugs.
Q38. Conversion of alkyl cyanide to aldehyde by stannous chloride and HCl is called as .......reaction.
Q39. ..........is obtained when Benzene diazonium chloride reacts with acetic acid.
Q40. .......is obtained when benzene reacts with benzene diazonium chloride.
Q41. .........is the monosaccharide among the following.
Q42. Microbial fuel cells are considered a source of sustainable energy. Why? (1) They use living organisms as catalysts to generate electricity from certain substrates. (2) They use a variety of inorganic materials as substrates. (3) They can be installed in waste water treatment plants to clense water and produce electricity. Which of the statement/s given above is/are correct?
Q43. Sucrose is not ………………..
Q44. Which of the following is the amino acid without chiral carbon?
Q45. Pick the wrong statement about amino acid:
Q46. Proteins are not sensitive to which of the following?
Q47. Proteins are…………….
Q48. ..........contains lipid.
Q49. ………………….contains triglyceride.
Q50. .........is not a saturated fatty acid.
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