1980 JAMB UTME Chemistry Past Questions

1980

10cm3 of CO is mixed and sparked with 100cm3 of air containing 21% O2. If all the volumes measured at S.T.P. the volume of resulting gases would be?

1980

A solution X on mixing with AgNO3 solution, gives a white precipitate solution in NH3. A Solution Y, when added to X, also gives a white precipiate which is soluble on boiling. Solution Y contains?

1980

The alloy duralumin is used for the building of aeroplanes because it?

1980

In an attempt to remove sugar from a breaker containing a quantity of sand and sugar, 2 M ammonium chloride solution was accidentally added instead of water. Which of the following method could be used to remove the ammo…

1980

Under high pressure, real gases do not obey gas laws because their molecules?

1980

Which of the following reactions is correct as as written?

1980

If 1 litre of 2.2M sulphuric acid is poured into a bucket containing 10 litre of water,and resulting solution mixed thoroughly, the resulting sulpuric acid concentration will be?

1980

On heating, under suitable conditions, 1 litres of monoatomic gas,X, combines with 11/2 litres of an oxide, What is the formula of the oxide.

1980

A sample of an oxide of mercury weighed 1.00g. When this was heated, oxygen was given off, and 1.00g of mercury metal only was left. What is the formula of the oxide?

1980

Which of the following statements is true?

1980

Which of the following statements is an exception in the assumptions of the kinetic theory of gases?

1980

How many grams of hydrogen gas will be liberated when 6g of magnesium ribbon dissolves in 500cm3 of 6M HCl? (Mg=24, H=1, Cl=35.5)

1980

Element X has a total of 19 electrons and can react with oxygen to form an oxide. Which of the following statements is NOT true of the oxide of the element?

1980

Chlorine, bromine and iodine resemble each other in that all?

1980

The boiling point of water is higher than that of methanol because?

1980

Given the mean atomic mass of chlorine prepared in the laboratory to be 35.5 and assuming that chlorine contains two isotopes of mass number 35 nad 37, what is the percentage composition of the isotope of mass number 35?

1980

Which of the following is acceptable as the organic product of the reaction of ethanoic acid and ethanol with an acid catalyst?

1980

20 cm3 of 1 M H2SO4 is mixed 20 cm3 of 1 M NaOH. The resulting solution is?

1980

1980 JAMB UTME Chemistry Past Questions

10cm3 of CO is mixed and sparked with 100cm3 of air containing 21% O2. If all the volumes measured at S.T.P. the volume of resulting gases would be?

A solution X on mixing with AgNO3 solution, gives a white precipitate solution in NH3. A Solution Y, when added to X, also gives a white precipiate which is soluble on boiling. Solution Y contains?

The alloy duralumin is used for the building of aeroplanes because it?

In an attempt to remove sugar from a breaker containing a quantity of sand and sugar, 2 M ammonium chloride solution was accidentally added instead of water. Which of the following method could be used to remove the ammo…

Under high pressure, real gases do not obey gas laws because their molecules?

Which of the following reactions is correct as as written?

If 1 litre of 2.2M sulphuric acid is poured into a bucket containing 10 litre of water,and resulting solution mixed thoroughly, the resulting sulpuric acid concentration will be?

On heating, under suitable conditions, 1 litres of monoatomic gas,X, combines with 11/2 litres of an oxide, What is the formula of the oxide.

A sample of an oxide of mercury weighed 1.00g. When this was heated, oxygen was given off, and 1.00g of mercury metal only was left. What is the formula of the oxide?

Which of the following statements is true?

Which of the following statements is an exception in the assumptions of the kinetic theory of gases?

How many grams of hydrogen gas will be liberated when 6g of magnesium ribbon dissolves in 500cm3 of 6M HCl? (Mg=24, H=1, Cl=35.5)

Element X has a total of 19 electrons and can react with oxygen to form an oxide. Which of the following statements is NOT true of the oxide of the element?

Chlorine, bromine and iodine resemble each other in that all?

The boiling point of water is higher than that of methanol because?

Given the mean atomic mass of chlorine prepared in the laboratory to be 35.5 and assuming that chlorine contains two isotopes of mass number 35 nad 37, what is the percentage composition of the isotope of mass number 35?

Which of the following is acceptable as the organic product of the reaction of ethanoic acid and ethanol with an acid catalyst?

20 cm3 of 1 M H2SO4 is mixed 20 cm3 of 1 M NaOH. The resulting solution is?

When ethene gas reacts with chlorine gas to form 1, 2-dichloroethene, the reaction is called?

Which ONE of the following statements is true?