Transition elements, in general, exhibit the following properties, except one. Name that property?
A. Variable oxidation state
B. Natural Radioactivity
C. Tendency to form complexes
D. Formation of alloys
Submitted by :- Jamil Ahmed
The substance used in cancer therapy is___________?
A. Fe
B. Co
C. Ni
D. Rn
Submitted by :- Jamil Ahmed
If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called_________?
Carbon in wrought iron is present as_________?
A. Silicon carbide
B. Iron carbide
C. Graphite
D. Partly as iron carbide and partly as graphite
Submitted by :- Jamil Ahmed
Stainless steel contains___________?
A. Fe+Cr+Ni
B. Fe+Ni+Cu
C. Fe+ Cr+Cu
D. Cu+C+Ni
Submitted by :- Jamil Ahmed
Chlorine Cl when attached to benzene has________?
A. +I and +R effect
B. -I and +R effect
C. +I and -R effect
D. -I and -R effect
Submitted by :- Jamil Ahmed
Which one of the following is most acidic?
The carbon-carbon bond strength is maximum in__________?
Which one of the following is caustic potash?
A. NaOH
B. KOH
C. NaCl
D. NaBH4
Submitted by :- Jamil Ahmed
Commercial detergents contain mainly _____________?
A. RCOON
B. RONa
C. RSNa
D. ROSO3Na
Submitted by :- Jamil Ahmed