The products of the reaction between dilute sulphuric acid and sodium thiosulphate crystals are?
The products of the reaction between dilute sulphuric acid and sodium thiosulphate crystals are? A. Na2SO4 + SO2…
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The following compounds are given with their corresponding boiling points. Compound Boiling Point i……………………………14°C ii…………………………..24°C…
The following compounds are given with their corresponding boiling points. Compound Boiling Point i……………………………14°C ii…………………………..24°C iii…………………………..0°C iv…………………………..120°C V……………………………-2°C…
28.8 cm3 of nitrogen at 15°C is cooled to O°C at constant pressure, the new…
28.8 cm3 of nitrogen at 15°C is cooled to O°C at constant pressure, the new volume of nitrogen…
Which of the following statements about phosphorus is NOT correct?
Which of the following statements about phosphorus is NOT correct? A. Phosphorus is a solid mineral B. Phosphorus…
If 48,000 coulombs of electricity are required to discharge 0.5 mole of sodium from a…
If 48,000 coulombs of electricity are required to discharge 0.5 mole of sodium from a molten sodium chloride…
When air is compressed?
When air is compressed? A. its density decreases B. it solidifies C. its temperature decreases D. its temperature…
Fats and oils are?
Fats and oils are? A. addition products of long chain fatty acids and alkali B. addition products of…
When sodium nitrate dissolves in water, ∆H is positive. This means that?
When sodium nitrate dissolves in water, ∆H is positive. This means that? A. the reaction is catalysed B.…
If an organic compound decolorizes bromine water then the compound is?
If an organic compound decolorizes bromine water then the compound is? A. saturated B. supersaturated C. unsaturated D.…
100 cm3 of oxygen is made to react with 50 cm 3 of hydrogen, and…
100 cm3 of oxygen is made to react with 50 cm 3 of hydrogen, and the whole reaction…