Search
.Management Sciences
Category: Chemistry Mcqs
A safe and more reliable method for drying the crystal is__________________?
0
A. Hot air currents
B. folds of filter paper
C. oven
D. Vacuum desiccator
Which one of the following alkali metals forms only normal oxide when it reacts with O2 ?
A. Lithium
B. Sodium
C. Potassium
D. Rubidium
When 6d orbital is complete the entering electron goes into_________________?
A. 7f
B. 7s
C. 7p
D. 7d
Which of the following compounds has the empirical formula CH2O and reacts with sodium hydroxide ?
A. carbonic acid
B. ethanol
C. acetic acid
D. methanoic acid
Absolute alcohol is obtained when rectified spirit is treated with__________________?
A. Ca(OH)2
B. CaCO3
C. CaCl2
D. CaO
Geometry of simple molecule having sp3 hybrid orbital is ___________________?
A. Triangular
B. Tetrahedral
C. Square planner
D. Linear
Ethers show functional group isomerism with __________________?
A. aldehydes
B. ketones
C. alcohols
D. carboxylic acid
The organic compounds having very high molecular weight are called _________________?
A. carboxylic acids
B. ketones
C. aldehydes
D. polymers
Recent Comments