Options:
- A. Insoluble particles
- B. residue
- C. crystals
- D. mud
View Answer
B. residue
Chemistry
Size of filter paper is selected according to the amount of__________________?
Options:
- A. solution
- B. amount of insoluble solute
- C. amount of soluble solute
- D. Amount of solvent
View Answer
B. amount of insoluble solute
Which type of bond is formed by overlap of p orbitals _______________?
Options:
- A. Pi
- B. Sigma
- C. Both
- D. Neither
View Answer
C. Both
By combining n atmic orbitals no. of hybrid orbitals will be__________________?
Options:
- A. 2n
- B. n
- C. 3n
- D. impossible to predict
View Answer
B. n
In a group ionic radius ?
Options:
- A. Increases
- B. Decreases
- C. No change
- D. Variable trend
View Answer
A. Increases
The diffusion of gases at absolute zero will be________________?
Options:
- A. Unchanged
- B. Slightly decreased
- C. Slightly increased
- D. Zero
View Answer
D. Zero
0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same_____________?
Options:
- A. Value of a
- B. Mass
- C. Atoms
- D. Both B and C
View Answer
D. Both B and C
Which of the following will not change the concentration of ammonia at the equilibrium ?
Options:
- A. Increase of pressure
- B. Increase of volume
- C. Addition of catalyst
- D. Decrease of temperature
View Answer
C. Addition of catalyst
Which one of the following is a buffer solution ?
Options:
- A. brine
- B. blood
- C. glue
- D. solution of CuSO4
View Answer
B. blood
Residence time of methane in the atmosphere is___________________?
Options:
- A. 3
- B. 2 -3 days
- C. 3
- D. 2
View Answer
C. 3