Options:
- A. BaSO4
- B. SrSO4
- C. CaSO4
- D. MgSO4
View Answer
D. MgSO4
Chemistry
When an aldehyde is reacted with hydrogen cyanide a
Options:
- A. Electrophilic addition
- B. Electrophilic substitution
- C. Nucleophilic addition
- D. Necleophilic substitution
View Answer
C. Nucleophilic addition
Electric bulb filament is made of__________?
Options:
- A. Copper
- B.
- C.
- D.
View Answer
D.
Ce58 is a member of__________?
Options:
- A. S-block
- B. P-block
- C. d-block
- D. f-block
View Answer
D. f-block
Ethylene diammine is ligand________?
Options:
- A. mono dentate
- B. Bi dentate
- C.
- D. Poly dentate
View Answer
B. Bi dentate
The systematic name of sucrose is_______?
Options:
- A. 1-?-D- glucopyranosyl-2-?-D-fructopyranoside
- B. 11-?-D-glucopyranosyl-2-?-D-fructofuranoside
- C. 1-?-D- glucofuranosyl-2-?-D- fructopyranoside
- D. 1-?- D- glucofuranosyl-2-?- D- fructofuranoside
View Answer
A. 1-?-D- glucopyranosyl-2-?-D-fructopyranoside
The easy way of balancing the chemical equation is_________?
Options:
- A. according to atom
- B. According to atom
- C. First we balance Metal than non-metal than Hydrogen than Oxygen.
- D. None of the above
View Answer
C. First we balance Metal than non-metal than Hydrogen than Oxygen.
Colour in transition metal compounds is attributed to____________?
Options:
- A. Small sized metal ions
- B. Absorption of light in UV region
- C. Complete ns sub-shell
- D. Incomplete (n-1) d sub-shell
View Answer
D. Incomplete (n-1) d sub-shell
Presence of nitrogen in organic compounds is tested as__________?
Options:
- A. Nitrogen gas
- B. NH3
- C. CN?
- D. NO
View Answer
C. CN?
Azimuthal quantum number defines___________?
Options:
- A. e/m ratio of an electron
- B. Spin of an electron
- C. Angular momentum of an electron
- D. Magnetic momentum of an electron
View Answer
C. Angular momentum of an electron