Which among the following happens in an oxidation reaction ?
[A] Electrons are gained
[B] Electrons are lost
[C] Protons are gained
[D] Protons are lost

Which among the following is the unit of the scale used for measurement of the spicy heat of a chili pepper?
[A] Smith
[B] Wright
[C] Orville
[D] Scoville

1, 2, 5, 7, 11,______,17
a. 12        b. 13
c. 14        d. 15

1, 8, 27,____,125
a. 37        b. 47
c. 54        d. 64

6, 12, 21, 33,____
a. 38         b. 40
c. 45         d. 48

2, 20,____,110, 182
a. 56         b. 72
c. 90         d. 96

81, 9, 64,____,49, 7
a. 8           b. 9
c. 10         d. 11

15, 20, 30,_____,65
a. 35         b. 40
c. 45         d. 50

18, 30, 48, 72, 96,______
a. 106         b. 115
c. 120         d. 96

12, 32, 72, 152,_______,632
a. 515         b. 613
c. 815         d. 312

1, 2, 3, 5, 7,______,13
a. 8           b. 9
c. 10         d. 11