Chemistry test for post ume examination
Soluble in ammonia.
Soluble in dilute hydrochloric acid.
Soluble in alkali.
Soluble in dilute tetraoxosulphate (VI) acid.
Potassium hydroxide solution.
Dilute tetraoxoxosulphate (VI) acid.
Dilute trioxonitrate (V) acid.
Lead trioxonitrateV solution.
They have a sour taste.
They liberate ammonia when added 19 ammonium chloride.
Their pH is 7.
They turn phenolphthalein colourless.
High temperatures.
Low temperatures and high pressures.
Low pressures.
High temperatures and pressures.
67
23
76
32
Jupiter
Neptune
Pluto
Saturn.
Chlorine will be given off at the cathode.
Oxygen gas will be given off at the anode.
Sodium will be deposited at the cathode.
The volumes of hydrogen and chlorine given off during the same time are equal.
Gauging the thickness of objects.
Making atomic bombs.
Curing cancer.
Purifying water. 1
Mixture of petrol and kerosene.
Aqueous solution of sugar
Mixture of ethanol and water
Aqueous solution of table salt.
Ammonia and ammonium chloride
Ethanoic acid and sodium ethanoate
Hydrochloric acid and sodium chloride
Potassium hydroxide and potassium bromide.
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