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12 Cards in this Set
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- Back
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Name and formulae of compunds which will undergo the following :
An acid which reacts with magnesium oxide to form magnesium chloride |
Hydrochloric acid
HCl |
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Name and formulae of compunds which will undergo the following :
A base whic reacts with sulphuric acid to frm copper sulphate |
copper oxide
CuO |
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Explain
Bee stings are often treated with ammonium hydroxide |
Bee stings are acidic and they can be neutralised by treating it with ammonium hydroxide and even baking powder.
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Explain
Wasp stings are often treated with a weak vinegar solution |
Wasp stings are alkaline and they can be neutralised with a weak vinegar solution.
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Name and formulae of compunds which will undergo the following :
The product formed when calcium oxide reacts with water |
CaO + H20 = Ca(OH)2
CalciumHydroxide |
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Name and formulae of compunds which will undergo the following :
A substance that turns litmus blue |
Alkaline substance
Calcium Hydroxide Ca(OH)2 |
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Name and formulae of compunds which will undergo the following :
A salt formed when sodium hydroxide reacts with nitric acid |
NaOH + HNO3 = NaNO3 + H20
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Name and formulae of compunds which will undergo the following :
An oxide which dissolves in water to form sulphuric acid |
SO3 + H2O - H2SO4
Sulphur trioxide |
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Name and formulae of compunds which will undergo the following :
A white salt that turns blue in the presence of moisture |
White anhydrous copper sulphate turn blue and becomes hydrated copper sulphate
CUSO4 + 5H20 = CuSO4.5H2O |
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Name and formulae of compunds which will undergo the following :
An acid salt used in baking powder t obtain carbon dioxide |
Baking powder is made of
sodium bicarbonate NaHCO3 and tartaric acid When the baking powder is wet, the acid reacts with bicarbonate releasing Carbon Dioxide. |
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Name and formulae of compunds which will undergo the following :
A normal salt of sodium that give CArbon Dioxide when it reacts with an acid |
Sodium Carbonate + HCl = Sodium Chloride + Water + carbon dioxide
Na2CO3 + 2HCl = 2NaCl + H2O + CO2 |
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Name and formulae of compunds which will undergo the following :
A metal that reacts with hydrochloric acide to form a salt |
Mg + 2HCL = MgCl2 + H2
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