Which is known as carbolic acid? Acetic acid Oxalic acid Phenol Ethanol TRUE ANSWER : ? YOUR ANSWER : ?
The most abundant constituent of atmospheric air is : Oxygen Carbon Hydrogen Nitrogen TRUE ANSWER : ? YOUR ANSWER : ?
The inexpensive and commonly used variety of glass is called soda glass. is made using soda lime is made using soda(sodium carbonate) was used initially for making bottles of soda(carbonated drink) was initially used for storing sodium carbonate TRUE ANSWER : ? YOUR ANSWER : ?
The hottest part of the gas flame is known as dark zone blue zone luminous zone non-luminous zone TRUE ANSWER : ? YOUR ANSWER : ?
In arc welding, Argon is used because of its Low reactivity with metal High flammability High calorific value Ability to lower the melting point of the metal TRUE ANSWER : ? YOUR ANSWER : ?
The gas produced in marshy places due to decomposition of vegetation is Carbon monoxide Sulphur dioxide Methane Carbon dioxide TRUE ANSWER : ? YOUR ANSWER : ?
"Paramagnetism" is the property of Unpaired electrons Completely filled electronics subshells Paired electrons Completely vacant electronic subshells TRUE ANSWER : ? YOUR ANSWER : ?
Soap is prepared by boiling caustic soda with Fats Glycerine Kerosene oil Alcohol TRUE ANSWER : ? YOUR ANSWER : ?
Alcohol prepared by the distillation of wood is : Propyl alcohol Ethyl alcohol Glycerol Methyl alcohol TRUE ANSWER : ? YOUR ANSWER : ?
The graphite rods in the nuclear reactor produce neutrons react with U to release energy undergo combustion which triggers the nuclear fission convert fast moving neutrons into thermal neutrons TRUE ANSWER : ? YOUR ANSWER : ?