General Knowledge :: Chemistry
- The gas produced in marshy places due to decomposition of vegetation is
- Organic compounds are
- Two elements which can form a large number of compounds are
- Alcoholic (– OH) group can be identified by :
- Which of the following is not a natural source of hydrocarbon?
- In a period from Li to F, ionisation potential
- In the periodic table of elements, on moving from left to right across a period, the atomic radius
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