1. What is condensation ?


2. The rate of chemical reaction does not depend upon


3. Photosynthesis is


4. In which of the following processes light energy is converted into chemical energy ?


5. Combustion is the process in which


6. Catalytic properties of a substance may be best defined s a phenomenon of


7. The chemical used as a ‘fixer’ in photography is


8. Which of the following substances undergoes chemical change on heating


9. Chemical change does not take place in case of


10. Vulcanisation is a


Question 1 of 10

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