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Find the PH of a 0.01 M solution of Nitric acid HNO3?
A. 2 B. 3 C. 4 D. 5 Submitted by :- Jamil Ahmed
Potassium Permanganate is used for purifying drinking water, because_________?
A. It is a sterilizing agent. B. It dissolves the impurities of water. C. It is a reducing agent. D. It is an…
Marsh gas is_______?
A. Nitrogen B. Ethane C. Methane D. Hydrogen Submitted by :- Jamil Ahmed
The chemical (Ethyl Mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of:_______?
A. Bromine B. Fluorine C. Chlorine D. Sulphur Submitted by :- Jamil Ahmed
The average salinity of sea water is________?
A. 3% B. 3.5% C. 2.5% D. 2% Submitted by :- Jamil Ahmed
Tetraethyl lead is used as______?
A. Pain Killer B. Fire Extinguisher C. Mosquito Repellent D. Petrol Additive Submitted by :- Jamil Ahmed
Electric bulb filament is made of__________?
A. Copper B. Aluminum C. Lead D. Tungsten Submitted by :- Jamil Ahmed
Oxidation state +1 for phosphorous is found in___________?
A. H3PO3 B. H3PO4 C. H3PO2 D. H2P2O7 Submitted by :- Jamil Ahmed
SO2 reacts with Cl in sunlight to form__________?
A. Sulphur dioxide B. Sulphuryl chloride C. Suphanyl chloride D. All of the above Submitted by :- Jamil Ahmed
Argon gas was discovered by_______?
A. Rayleigh B. Ramsay C. Lockerey D. Dalton Submitted by :- Jamil Ahmed