The substance used in cancer therapy is___________?
A. Fe
B. Co
C. Ni
D. Rn
Chemistry Mcqs
If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called_________?
If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called_________?
A. Annealing
B. Quenching
C. Tempering
D. Nitriding
Carbon in wrought iron is present as_________?
Carbon in wrought iron is present as_________?
A. Silicon carbide
B. Iron carbide
C. Graphite
D. Partly as iron carbide and partly as graphite
Stainless steel contains___________?
Stainless steel contains___________?
A. Fe+Cr+Ni
B. Fe+Ni+Cu
C. Fe+ Cr+Cu
D. Cu+C+Ni
A theoretical link between quantum mechanics and thermodynamics is_________?
A theoretical link between quantum mechanics and thermodynamics is_________?
A. Electrchemistry
B. Matrix mechanics
C. Statistical thermodynamics
D. Soectroscopic analysis
For a given mass of a gas at constant temperature, if the value V becomes 3 times, the pressure will becomes__________?
For a given mass of a gas at constant temperature, if the value V becomes 3 times, the pressure will becomes__________?
A. 3P
B. P/3
C. 3P/T
D. 6P
The reciprocal of the coefficent of viscosity is called__________?
The reciprocal of the coefficent of viscosity is called__________?
A. Density
B. Specific gravity
C. Fluidity
D. Absorbance
The science of fermentation is called _______ ?
The science of fermentation is called _______ ?
A. Zygology
B. Zymology
C. Zymurgy
D. Zootaxy
The Branch of chemistry dealing with brewing and distilling is called _______ ?
The Branch of chemistry dealing with brewing and distilling is called _______ ?
A. Zygology
B. Zymology
C. Zymurgy
D. Zootaxy
What is the molecular Weight of Nitric acid (HNO3 ) ?
What is the molecular Weight of Nitric acid (HNO3 ) ?
A. 63.012 g/mol
B. 65.012 g/mol
C. 70.012 g/mol
D. 81.011 g/mol