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 oxidizing agent.
Submitted by :- Jamil Ahmed
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___________?
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