GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
16. | The maximum number of electrons in electronic configuration can be calculated by using formula: | ||
A. | 2l + 1 | ||
B. | 2n2 + 2 | ||
C. | 2n2 | ||
D. | 2n2 + 1 | ||
18. | What mass of NaOH is present in 0.5 mol of sodium hydroxide? | ||
A. | 40 gm | ||
B. | 2.5 gm | ||
C. | 15 gm | ||
D. | 20 gm | ||
19. | Human blood maintains its pH between: | ||
A. | 6.50 - 7.00 | ||
B. | 7.20 - 7.25 | ||
C. | 7.50 - 7.55 | ||
D. | 7.35 - 7.40 | ||
20. | Value of Ksp for PbSO4 system at 25 °C is equal to | ||
A. | 1.6 x 10-5 mol2dm-6 | ||
B. | 1.6 x 10-6 mol2dm-6 | ||
C. | 1.6 x 10-8 mol2 dm-6 | ||
D. | 1.6 x 10-7 mol2 dm-6 | ||