Chemistry Mcqs

Tetraethyl lead is used as______?

(A)  Pain Killer

(B)  Fire Extinguisher

(C)  Mosquito Repellent

(D)  Petrol Additive

Submitted By: Ali Uppal


Electric bulb filament is made of__________?

(A) Copper

(B)  Aluminum

(C)  Lead

(D)  Tungsten

Submitted By: Ali Uppal


Oxidation state +1 for phosphorous is found in___________?

(A) H3PO3

(B) H3PO4

(C) H3PO2

(D) H2P2O7

Submitted By: Ali Uppal


SO2 reacts with Cl in sunlight to form__________?

(A) Sulphur dioxide

(B) Sulphuryl chloride

(C) Suphanyl chloride

(D) All of the above

Submitted By: Ali Uppal


Argon gas was discovered by_______?

(A) Rayleigh

(B) Ramsay

(C) Lockerey

(D) Dalton

Submitted By: Ali Uppal


Submitted By: Ali Uppal


The O-O linkage is present in__________?

(A) H2S2O3

(B) H2SO8

(C) H2S4O6

(D) H2 S2 O6

Submitted By: Ali Uppal


Poisonous gas present in the exhaust fumes of a jet plane is__________?

(A) Flurocarbon

(B) Carbon monoxide

(C) Methane

(D) C2H2

Submitted By: Ali Uppal


The formula C6H5-CO-CH3 represents_______ ?

(A) Acetone

(B)  Acetic acid

(C)  Acetophenone

(D)  Phenyl acetate

Submitted By: Ali Uppal


What is the density ofargon gas at a temperature of 30°C and a pressure of 1.05 atm?

(A) 1.65 g/L

(B) 1.67 g/L

(C) 1.68 g/L

(D) None of the above

Submitted By: Ali Uppal