8. Mention any 2 types of chemical reaction with examples.
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Answer:
Combination reaction -- a+b = ab
Displacement reaction -- a + bc = ab + c
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- evolution of gas. Zn + H2SO4 REACTS TO form a ZNSO4 + H2
- change of colur. Fe + CuSO4 reacts to form a FeSO4 + Cu
Explanation:
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