Options:
- A. 9
- B. 6.5-7
- C. 8
- D. 12
View Answer
B. 6.5-7
Chemistry
Which one of the following statement is correct for urea ?
Options:
- A. it is a synthetic fertilizer
- B. it is a natural fertilizer
- C. it provides micronutrients to the plants
- D. it is an inorganic water soluble compound
View Answer
A. it is a synthetic fertilizer
Atomic number of Mn is 25 what is the electronic configuration in the ground state________________?
Options:
- A. 1s2 2s2 2p6 3s2 3p6 3d7
- B. 1s2 2s2 2p6 3s2 3p6 4s2 4p5
- C. 1s2 2s2 2p6 3s2 3p5 3d10
- D. 1s2 2s2 2p6 3s2 3p6 4s23d5
View Answer
D. 1s2 2s2 2p6 3s2 3p6 4s23d5
In Dry cell, cathode is made up of_______?
Options:
- A. Zinc
- B. Carbon (Graphite)
- C. ZnCl
- D. MnO
View Answer
B. Carbon (Graphite)
Universe is almost 70% made up of __________?
Options:
- A. Helium
- B. Hydrogen
- C. Chlorine
- D. Carbon
View Answer
B. Hydrogen
Cations possess __________ charge?
Options:
- A. +ve
- B. -ve
- C. Neutral
- D. None
View Answer
A. +ve
A scale which used to measure the Hydrogen Ion concentration in a solution is known as__________?
Options:
- A. Thermometer
- B. Viscometer
- C. PH Scale
- D. Stagmometer
View Answer
Ali Jan
Which molecule have stronger London dispersion forces?
Options:
- A. Hydrogen gas
- B. Water
- C. Bromine
- D. Hydrochloric acid
View Answer
B. Water
Calculate % of N in KNO3__________?
Options:
- A. 14.34%
- B. 18.56%
- C. 13.86%
- D. None of these
View Answer
C. 13.86%
Which statement is incorrect ?
Options:
- A. All the metals are good conductor of electricity
- B. All the metals are good conductor of heat
- C. All the metals form positive ions
- D. All the metals form acidic oxides
View Answer
D. All the metals form acidic oxides