GK Chemistry

General Knowledge – Chemistry

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1. The most abundant element in the earth’s crust is


2. Stainless steel is an example of


3. Biogas mainly contains


4. Which of the following types of clothes is manufactured by using petroleum products?


5. Which of the following elements is not present in stainless steel?


6. The tip of the match-stick contains


7. Polythene is industrially prepared by the polymerization of –


8. Why does diamond shine at night?


9. A light sensitive compound used in photography is


10. Hydrogen is used instead of Helium to fill balloons for meteorology because


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