what is a chemical reaction? what changes occure in a chemical reaction? give 5-6 examples of a chemical reaction.
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chemical reaction are the process in which new properties are formed
changes
change in color, temperature and state
ex
cooking of food
rusting of iron
formation of curd
process of respiration
burning of candles
changes
change in color, temperature and state
ex
cooking of food
rusting of iron
formation of curd
process of respiration
burning of candles
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Answered by
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A chemical reaction is the process of breaking the chemical bonds of the reacting substance and and making new bonds to form new substances.
change in chemical state
examples ( - this is arrow mark)
NaCl+AgNO3-AgCl+NaNO3
CuCO3-CuO+CO2
pb(NO3)2-2PbO+4NO2+O2
change in chemical state
examples ( - this is arrow mark)
NaCl+AgNO3-AgCl+NaNO3
CuCO3-CuO+CO2
pb(NO3)2-2PbO+4NO2+O2
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