Options:
- A. Electronic shells
- B. Proton shells
- C. Neutron shells
- D. Nucleus
View Answer
A. Electronic shells
Chemistry
The given dissociation constant (Ka) value 1.3
Options:
- A. Alcohol
- B. Acetic acid
- C. Water
- D. Phenol
View Answer
D. Phenol
For a given mass of a gas at constant temperature, if the value V becomes 3 times, the pressure will becomes__________?
Options:
- A. 3P
- B. P/3
- C. 3P/T
- D. 6P
View Answer
B. P/3
The carbon-carbon bond strength is maximum in__________?
Options:
- A. CH3CH3
- B. CH2=CH2
- C. Benzene
- D. Cyclohexane
View Answer
A. CH3CH3
The PH of the 1.3
Options:
- A. 1.3
- B. 4.0
- C. 2.886
- D. 3.886
View Answer
D. 3.886
Hydrocarbon is formed when Grignard reagent is treated with___________?
Options:
- A. H2O
- B. CH3OH
- C. Both a and b
- D. None of the above
View Answer
A. H2O
The heat required to raise the temperature of body by 1 K is called___________?
Options:
- A. specific heat
- B.
- C.
- D.
View Answer
B.
What is the density ofargon gas at a temperature of 30
Options:
- A. 1.65 g/L
- B. 1.67 g/L
- C. 1.68 g/L
- D. None of the above
View Answer
C. 1.68 g/L
The purpose of Smelting an ore is to________?
Options:
- A. Reduce it
- B. Oxidize it
- C. Obtain an alloy
- D. Separate volatile impurities
View Answer
A. Reduce it
Cassiterite is an ore of_______?
Options:
- A. Mn
- B. Ni
- C. Sb
- D. Sn
View Answer
D. Sn