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Instruction : Answer the following questions using the given options.
Questions :
1. The reaction between an acid and a base is an example of ___ reaction ?
a. Valence
b. Endothermic reaction
c. Chemical reaction
d. Exothermic reaction
2.The following are the factors affecting the rate of a chemical reaction except ___
a. catalyst
b. nature of reactants
c. activation energy
d. lights
3.___ gives a dense white fume when in contact with HCL
a. propane
b. ammonia
c. tetraoxosulphate(vi) acid d. water
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Ответ:
hdrshdhjdhdjd semo tumo hele semo vcloe SF
Explanation:
see the most