751. Acid ferric chloride FeCl3 solution reduces to ferrous chloride FeCl2 solution by?
(A) Ordinary Hydrogen
(B) Atomic Oxygen
C. Nascent Hydrogen
(D) Molecular Hydrogen
752. Which of the following elements have the highest values of ionization energy?
(A) Transition elements
B. Inert gases
(C) Alkaline earth metals
(D) Alkali metals
753. How many sulphur atoms are present in a puckered ring?
(A) 2
(B) 4
(C) 6
D. 8
754. Isotopes differ in:
A. Properties which depend upon Mass
B. Arrangement of electrons in orbitals
C. Chemical properties
D. The extent to which they may be affected in an electron magnetic field
755. Formation of a cation is:
A. Oxidation
B. Reduction
C. Redox
D. None
756. The relative atomic mass of chlorine is 35.5. What is the mass of 2 moles of chlorine gas?
A. 142g
B. 35.5g
C. 71g
D. 18.75g
757. Current strength measured by electrometer by each type of ions in mass spectrometry shows?
A. Charge
B. Mass
C. Relative Abundance
D. Number of isotopes
758. The following statements contained in a student’s laboratory report is a conclusion:
A. A gas is liberated
B. The gas’s oxygen is extremely acidic.
C. The gas is chlorine
D. Color of the gas is greenish yellow
759. Which of the following is not related to A.M.U?
A. Kilo gram
B. Gram
C. Gram/Lit
D. Microgram
760. The number of moles of Co2 which contains 16 grams of oxygen is:
A. 0.25
B. 0.50
C. 0.75
D. 1.00