Options:
- A. dilute and concentrated
- B. dilute and saturated
- C. saturated and unsaturated
- D. saturated and super saturated
View Answer
A. dilute and concentrated
Chemistry
Quantum number values for 3p orbitals are____________________?
Options:
- A. n=3 l=2
- B. n=3 l=0
- C. n=3 l=1
- D. n=3 l=3
View Answer
C. n=3 l=1
Consider the following redox reaction. Zn+dil HNO3? Zn (NO3)2 + N2O + H2O The coefficient number of HNO3 in the equation is__________________?
Options:
- A. 6
- B. 8
- C. 10
- D. 4
View Answer
C. 10
Which specie has unpaired electrons in antibonding molecular orbitals_______________?
Options:
- A. O2+2
- B. N2-2
- C. B2
- D. O2-2
View Answer
B. N2-2
Which of the following elements react with steam to produce H2 gas?
Options:
- A. Pd
- B. Ni
- C. Sn
- D. All of the above
View Answer
D. All of the above
For a given process the heat changes at constant pressure (qp) and at constant volume (qv) are related to each other as___________________?
Options:
- A. qp = qv
- B. qp < qv
- C. qp > qv
- D. qp = qv / 2
View Answer
C. qp > qv
The unit of the rate constant (k) is same as that of rate of reaction________________?
Options:
- A. First order reaction
- B. Second order reaction
- C. Zero order reaction
- D. Third order reaction
View Answer
C. Zero order reaction
Solubility product of AgCl is 2.0 x 10-10 mol2 dm-6. Maximum Concentration of Ag+1 ions in the solution is__________________?
Options:
- A. 2.0 x 10-10 mol dm-3
- B. 1.414 x 10-5 mol dm-3
- C. 1.0 x 10-10 mol dm-3
- D. 1.0 x 10-5 mol dm-3
View Answer
B. 1.414 x 10-5 mol dm-3
Acid present in acid rain may be_________________?
Options:
- A. H2SO4
- B. HNO3
- C. both A and B
- D. none of the above
View Answer
C. both A and B
Which of the following elements conduct electricity and also melts below 100
Options:
- A. Aluminium
- B. Sodium
- C. Carbon
- D. Sulphur
View Answer
B. Sodium