Chemistry

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Past Questions

Question 4096
waec 2021
a

are indivisible

b

have different charges

c

are the lightest particles

d

are found in all matter

Question 4097
waec 2021
a

E\(_{A}\)

b

E\(_{B}\)

c

E\(_{C}\)

d

E\(_{D}\)

Question 4098
waec 2021
a

E\(_{A}\)

b

E\(_{B}\)

c

E\(_{C}\)

d

E\(_{D}\)

Question 4099
waec 2021
a

an endothermic reaction

b

an exothermic reaction

c

a spontaneous reaction

d

a redox reaction

Question 4100
waec 2021
a

3.01 x 10\(^{20}\)

b

3.01 x 10\(^{27}\)

c

6.02 x 10\(^{19}\)

d

6.02 x 10\(^{27}\)

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