Tetraethyl lead is used as______?
Tetraethyl lead is used as______?
A. Pain Killer
B. Fire Extinguisher
C. Mosquito Repellent
D. Petrol Additive
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The mechanism by which the genetic information can be duplicated is called_________________?
The mechanism by which the genetic information can be duplicated is called_________________?A. Duplication
B. Transcription
C. Replication
D. MutationAllotropic form of phosphorus that is poisonous is___________________?
Allotropic form of phosphorus that is poisonous is___________________?A. White
B. Red
C. Black
D. VioletWhich of the following is the strongest acid ?
Which of the following is the strongest acid ?A. Water
B. Formic acid
C. Acetic acid
D. Propanoic acidThe oxidation number of central metal atom in [Ni(CO)4] is_________________?
The oxidation number of central metal atom in [Ni(CO)4] is_________________?A. 0
B. 2
C. 4
D. 6In the production of wrought iron Mg Si and P are removed in the form of___________________?
In the production of wrought iron Mg Si and P are removed in the form of___________________?A. oxides
B. silicates
C. slag
D. carbonatesFree neutron changes into proton with the emission of__________________?
Free neutron changes into proton with the emission of__________________?A. Neutrino
B. Electron
C. Both A & B
D. Meson