(A) Benzene
(B) D.D.T
(C) Methyl Bromide
(D) Ethylene Ozonide
Which of the following is used as filler in tyre of rubber?
(A) Coke
(B) Graphite
(C) Coal
(D) Carbon Black
Galvanized iron is made by coating iron with?
(A) Nickel
(B) Chromium
(C) Zinc
(D) Sulphur
Sodium vapour lamps glow with yellow colour. This is due to?
(A) Sublimation of sodium to emit yellow colour.
(B) The emission of excess energy absorbed by sodium atoms in the yellow region of the spectrum
(C) The low ionization energy of sodium
(D) Its ability to absorb all other colours except yellow.
Zn2++2e- —->Zn(s). This is?
(A) Redox reaction
(B) Reduction
(C) Oxidation
(D) None of the above
PTV pioneer, amazing entertainer and radio moderator Begum Khursheed Shahid dies at the age of?
(A) 93 Years
(B) 95 Years
(C) 96 Years
(D) 97 Years
Which space agency has announced its plan to hire and launch the world’s first physically disabled astronaut?
(A) Canadian Space Agency
(B) Jaxa
(C) Mexican Space Agency
(D) European Space Agency
Which of the following is conservative force?
(A) Frictional force
(B) Electric force
(C) Normal force
(D) All of the above