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.Management Sciences
Category: Chemistry Mcqs
Animal charcoal adsorbs the coloured_________________?
A. impurities
B. crystals
C. solvents
D. both A & B
Enthalpy of a reaction can be measured by ____________________?
A. glass calorimeter
B. manometer
C. Barometer
D. thermometer
The basic hydrolysis of ethyl acetate produces__________________?
A. ethanol
B. acetic acid
C. ethanol and acetic acid
D. ethanol and sodium acetate
Which one of the following acids is present in lemon juice ?
A. Citric acid
B. Benzoic acid
C. Tartaric acid
D. Oxalic acid
With impurities like P and S the open hearth furnace is lined with ?
A. SiO2
B. Fe2O3
C. FeO
D. CaO MgO
One of the outstanding features of boron is its ability to form__________________?
A. Molecular addition compounds
B. Molecular crystals
C. Semiconductors
D. Ionic compounds
Hydration is a process in which_________________?
A. Molecules are surrounded by solvent molecules
B. Ions are surrounded by solvent molecules
C. Both ions and molecules are surrounded by solvent molecules
D. Both ions and molecules are surrounded by water molecules
The coloured glassy mass in borax bead test is due to the formation of___________________?
A. metal borate
B. metal meta borate
C. metal boride
D. metal silicate
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