A. in silvery mirror
B. in making medicine urotropine
C. in making throat lozenges
D. in making acetic acid
Related Mcqs:
- Formaldehyde condenses with phenol in the presence of dilute H2SO4 to yield________________?
A. Nylon 66
B. urotropine
C. Aniline formaldehyde plastic
D. Bakelite - Formalin is ___________ solution of formaldehyde in water?
A. 10%
B. 20%
C. 40%
D. 60% - Formaldehyde and lactose are combined to produce throat lozenges named as__________________?
A. formamint
B. lactomint
C. aldomint
D. formalactose - Formalin consists of mixture of formaldehyde methyl alcohol and water Percentage of water in it is________________?
A. 60%
B. 50%
C. 52%
D. 8% - Treating phenol with formaldehyde in the presence of dilute base forms Bakelite. The process involved is_________________?
A. oxidation
B. elimination
C. condensation polymerization
D. additional polymertization - Formaldehyde on condensation in the presence of calcium hydroxide: ______________?
A. Formose
B. Fructose
C. Maltose
D. XyloseSubmitted by: Said wali shah
- When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?
A. Bromine
B. Chlorine
C. Fluorine
D. Iodine - Which of the following reaction is not shown by ketones ?
A. reaction with HCN
B. reaction with NaHSO3
C. reaction with 2 4 dinitrophenyl hydrazine
D. reaction with Fehling solution - Which of the following will not give addition reaction with NaHSO3________________?
A. HCHO
B. CH3CHO
C. CH3-CH2-CHO
D. None of the above - Which of the following reactions may be assoclated with aldehyde and ketone ?
A. nucleophile addition
B. polymerization
C. oxidation
D. all of the above
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