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MODERN PUBLICATION-GROUP 16 ELEMENTS-EXCERCISE
- Which statement is wrong about chloroform:
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- When natural rubber is heated with sulphur , it is called
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- The number of S-S bonds in sulphur trioxide trimer (S3O9) is:
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- The decreasing order of boiling point is
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- Which of the following has S-S bond?
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- Which of the following has the maximum catenation property?
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- When a lead storage battery is discharged:
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- (i) In the titration of Fe^(2+) ions with KMnO(4) in acidic medium, di...
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- When conc. H(2)SO(4), in added to dry KNO(3), brown fumes are evolved....
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- Which gas turns lead acetate paper black:
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- Which of the following has the highest value of energy gap?
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- Number of hydroxyl groups present in pyrosulphuric acid is:
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- Oxygen molecule is:
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- Ozone reacts with
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- is used as catalyst by Ostwald process for manufacture of nitric acid.
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- is used as cataylst in the manufacture of H2SO4 acid by contact proces...
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- Which is soluble in water :
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- SO2+ 2H2S rarr + 2S
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- Oxygen and Ozone are .
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- Why phenol is acidic in nature ?
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