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.Management Sciences
Category: Chemistry Mcqs
Phosphene gas will be produced if phosphorous acid is subjected to___________________?
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A. Oxidation
B. Reduction
C. Decomposition
D. Both b & c
Which of the following solution has the highest boiling point ?
A. 5.85% NaCl Solution
B. 18.0 % glucose solution
C. 6.0 % urea solution
D. All have same boiling point
Inner transition elements are called _________________?
A. Lanthanides
B. Actinides
C. Rare earth metals
D. All
The complete reduction carboxylic acid results in the formation of________________?
A. Alkyne
B. Alkene
C. Alkane
D. Alcohol
Which one of the following pairs shown diagonal relationship in the periodic table ?
A. Sodium and Lithium
B. Lithium and magnesium
C. Lithium and beryllium
D. Boron and Beryllium
Water of crystallization can be removed by________________?
A. drying
B. heating
C. evaporation
D. All of the above
The potassium present in plant help the plant to___________________?
A. form starch sugar and fibrous material
B. ripen the seeds and fruits
C. increase the resistance against disease
D. all the above statements are correct
Which of the following terms is used for the mass of chlorine 35.5 ?
A. relative atomic mass
B. mass number
C. atomic weight
D. relative isotopic mass
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