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Which of the following is a colligative property?
Covalent compounds are soluble in
Acid rains are produced by
Excess NO2 and SO2from burning fossil fuels
Excess formation of CO2 by combustion and animal respiration
Excess release of carbon monoxide by incomplete combustion
Excess production of NH3 by industry and coal gas
Water (H2O) is liquid while hydrogen sulphide (H2S) is a gas because
Hydrogen sulphide is a weak acid
Water molecules associate through hydrogen
Sulphure has high electronegativity than oxygen
Water has higher molecular weight
None of the above
Both A and B
Which one of the halogen acid is a liquid?
Tollen’s reagent is
Ammonical cuprous oxide
Ammonical silver bromide
Ammonical cuprous chloride
Ammonical silver nitrate
Which of the following substances is used as an antiknock compound?
Carbon atom holding halogen in aryl halides is
Heating a micture of sodium benzoate and soda lime gives