The alloy used extensively in the building industry is
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2004
Which of the following pairs of salts undergo hydrolysis?
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2004
The method of collection of gases prepared in the laboratory depend on their
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2004
A solution of zinc chloride should not be stored in a container made of
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2004
Two solutions containing Pb2+ and AI3+ respectively can be distingusihed using
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2004
What quantity of electrons in moles is needed to discharge two moles of aluminum from aluminum oxide (AI 2O3)
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2004
Which of the following subtances will not produce effervescence with dilute hydeochloric acid?
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2004
What are the values of x, y and z respectively in the following in the following equation? MnO 2(s) + xHCI(aq) → MnCI2(g) + yHO(l) + zCI2(g)
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2004
The reaction that takes place at the cathode when an aqueous solution of NaCI is electrolysed using carbon electrodes is
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2004
Which of the following compounds is a soapless detergent?
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2004
Which of the following compounds is a soapless detergent?
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2004
The mass of 800cm3 of a gas X at s.t.p. is 1.0g. What is the molar mass of X? [1 mole of a gas at s.t.p occupies 22.4dm 3]
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2004
What is the IUPAC name of CH3CH2COOCH 3?
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2004
Glucose gives a brick-red precipitate with Fehling's solution because it is
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2004
If 60 cm3 of gas is heated from 27oC TO 50oC, what is the new volume of the gas at constant pressure?
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2004
An orange drink concentrate is suspected to contain traces of poisonous green dye and a harmless dye having the same boiling point. Which of the following techniques is most suitable for isolating the dyes?
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2004
Which of the following factors that affect the rate of chemical reactions can be explained in terms of the collision theory? l. concentration ll. pressure lll. temperature lV catalyst
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2004
WHICH OF THE FOLLOWING SALTS IS READILY SOLUBLE IN WATER?
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2004
What of the following pairs of acid and base will produce a solution with pH less than 7 at equivalence point?
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2004
What is the change in the oxidation number of 1- in the reaction represented by the following equation? 51 -1(aq) + 6H+(aq) + 1O-3(aq) → 312(g) + 3H2O(l)