A. 60%
B. 50%
C. 52%
D. 8%
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Related Mcqs:
- Formalin is ___________ solution of formaldehyde in water?
- A. 10% B. 20% C. 40% D. 60%...
- Methyl alcohol is not used as___________________?
- A. a solvent B. an anti freezing agent C. a substitute for petrol D. for denaturing of ethyl alcohol...
- Methyl alcohol is not used__________________?
- A. As a solvent B. As an antifreezing agent C. As a substitute for petrol D. For denaturing of ethyl alcohol...
- 10ml of alcohol dissolve in 90ml of water unit of concentration used is________________?
- A. % w/w B. % w/v C. % v/v D. % v/w...
- Which of the following is not a use of formaldehyde ?
- A. in silvery mirror B. in making medicine urotropine C. in making throat lozenges D. in making acetic acid...
- Formaldehyde condenses with phenol in the presence of dilute H2SO4 to yield________________?
- A. Nylon 66 B. urotropine C. Aniline formaldehyde plastic D. Bakelite...
- Formaldehyde and lactose are combined to produce throat lozenges named as__________________?
- A. formamint B. lactomint C. aldomint D. formalactose...
- 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. Xylose Submitted by: Said wali shah...
- Cement is a mixture of so many compounds roasted in rotary kiln. Which substances has greater percentage ?
- A. Lime (CaO) B. Silica (SiO2) C. Alumina (Al2O3) D. Magnesia (MgO)...
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