Which of the following is ferromagnetic:
A. Zinc
B. Copper
C. Magnease
D. Cromium
Ans. Cromium
Ques 6. What is the Oxidation state of Fe in Fe3O4?
Ans. 8/3
Ques 7. Convert 72 degree Celsius to Fahrenheit.
Ans. 161.6 F
Ques 8. Menstrual blood is not clot due to the presence of ______?
Ans. Fibrinolysins
Ques 9. The mitral valve is also known as ______?
Ans. Bicuspid valve