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.Management Sciences
Category: Chemistry Mcqs
Non-stoichiometric compounds of transition elements are called___________________?
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A. hydrates
B. hydrides
C. binary compounds
D. interstitial compounds
Nucleic acids were first demonstrated in_________________?
A. Pus cells
B. Sperm heads
C. 1872
D. all of the above
Ionization energy in a period generally ___________________?
A. Increases
B. Decreases
C. No change
D. Variable trend
When the atoms of third layer are arranged in such a way that they directly lie above the atoms of first layer then this arrangement is called_________________?
A. ABAB (hexagonal)
B. ABCABC (Cubic)
C. Orthor hombic
D. Rhombohedral
Homogeneous mixture of two or more than two compounds is called__________________?
A. solution
B. compound
C. radical
D. ion
Which of the following is not a fatty acid ?
A. Propanoic acid
B. Acetic acid
C. Phthalic acid
D. Butanoic acid
Each catalyst has_________________?
A. Specificity
B. Special structure
C. Its own Ea
D. all of above
Which of the following set has all species isoelectronic__________________?
A. F – Cl – Br
B. Li+1 – Na+1 – K+1
C. F – Ne – Na+
D. H+ – H- – H
Nylon is obtained by heating___________________?
A. Acrylic acid
B. Epichlorohydrin
C. Vinyl chloride
D. Adipic acid with hexamethylene diamine
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