GAT Subject
Engineering
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6. | All of the followings are tri-atomic molecule except: | ||
A. | Ho | ||
B. | O3 | ||
C. | #20 | ||
D. | CO2 | ||
7. | The mass of one molecule of water is: | ||
A. | 18 amu | ||
B. | 18 g | ||
C. | 18 mg | ||
D. | 18 kg | ||
8. | The molar mass of H2S04 is: | ||
A. | 98 g | ||
B. | 48 amu | ||
C. | 4.8 � | ||
D. | 98 amu | ||
9. | Molar mass is usually expressed in grams. Which one of the following is molar mass of O2 in amu? | ||
A. | 32 amu | ||
B. | 53.2 x 1074 amu | ||
C. | 1.92 *10-% amu | ||
D. | 192.64 = 10-*> amu | ||
10. | How many numbers of moles are equivalent to 8 grams of CQ2? | ||
A. | 0.15 | ||
B. | 0.18 | ||
C. | 0.21 | ||
D. | 0.24 | ||