ICSE Class 8 Chemistry Physical and Chemical Changes
- Give an example of a chemical,undesirable permanent change.
- How are fullerenes formed?
- iam not understanding chemical reaction
- How would we separate lead nitrate + lead sulphate + lead chloride
- name the process in which heat is liberated during a change ?
- Write true or false: Distilled water decomposes on passing electric current.
- fill in the blanks 1)Heat increases the temperature and in turns increases its______________________. 2)reactions that take place when exposed to light _______________________________ .
- Burning of phosphorus is a which change
- what is chemical change
- If change from solid to gas and vice versa, then what is deposition or de-sublimation?
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