(A) Green
(B) Blue
(C) Red
(D) Yellow
Tag: Biochemistry
Which of the following is properties are not related to an atom?
(A) An atom consist of two basic parts, a nucleus and one or more electones
(B) The nucleus is the center core of an atom
(C) An electrone is heavy and negtively charged particles
(D) The nuclues itself consist of two particles
Which of the following is properties are not related to cathode rays?
(A) These teavel in straight line
(B) These are deflected by maganatic and electric fields
(C) These rays can carry energy
(D) These are dependent of the material used of the electrode
Electron affinity decrease down the group because:
(A) Atomic radius increases
(B) Proton number increases
(C) Shielding decreases
(D) Atomic radius decreases
Which of the following molecule is polar:
(A) HCL
(B) CO2
(C) AlCl3
(D) CCl4
During electrolysis reduction always occurs at:
(A) SHE
(B) Cathode
(C) Anode
(D) Salt Bridge
Potential of Standard Hydrogen Electrode is arbitrarily taken as:
(A) Zero
(B) +1
(C) -1
(D) 10
Enthalpy change of combustion is exothermic because:
(A) Energy release in bond making is greater
(B) Energy release in bond breaking is greater
(C) Energy absorbed in bond breaking is greater
(D) Energy absorbed in bond making is greater