Bronze is preferred to copper in the making of medals because it
Bronze is preferred to copper in the making of medals because it A. is stronger B. can withstand…
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The constituents of baking powder that makes the dough to rise is
The constituents of baking powder that makes the dough to rise is A. NaHCO3 B. NaOH C. Na2CO3…
The ability of carbon to form long chains is referred to as
The ability of carbon to form long chains is referred to as A. alkylation B. acylation C. catenation…
In the laboratory preparation of oxygen, dried oxygen is usually collected over
In the laboratory preparation of oxygen, dried oxygen is usually collected over A. hydrochloric acid B. mercury C.…
The property of concentrated H2SO4 that makes it suitable for preparing HNO3 is its
The property of concentrated H2SO4 that makes it suitable for preparing HNO3 is its A. boiling point B.…
A few drops of concentrated HNO(_3) is added to an unknown solution and boiled for…
A few drops of concentrated HNO(_3) is added to an unknown solution and boiled for a while. If…
The bleaching action of chlorine gas is effective due to the presence of
The bleaching action of chlorine gas is effective due to the presence of A. hydrogen chloride B. water…
The impurities formed during the laboratory preparation of chlorine gas are removed by
The impurities formed during the laboratory preparation of chlorine gas are removed by A. H2O B. NH3 C.…
The effect of the presence of impurities such as carbon and sulphur on iron is…
The effect of the presence of impurities such as carbon and sulphur on iron is that they A.…
MnO-4(aq) + Y + 5Fe2+(aq) → Mn2+(aq) + 5Fe2+(aq) + 4H2O(l) In the equation above,…
MnO–4(aq) + Y + 5Fe2+(aq) → Mn2+(aq) + 5Fe2+(aq) + 4H2O(l) In the equation above, Y is A.…