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Which of the following statements about ammonium salt is correct? It
The product of the reaction between ethanol and excess acidified K\(_2\)Cr\(_2\)O\(_7\) is
The product formed when concentrated sodium chloride solution is electrolysed using carbon electrodes is
Bases normally
The most important ore of aluminium is
The oxidation number of Chromium in Na\(_2\)Cr\(_2\)O\(_7\) is
The electron configuration 1S\(^2\) 2S\(^2\) 2P\(_x\)\(^2\) contravenes the
The branch of science that deals with the nature and properties of substances and how one substance can be converted to another is known as
Which of the following substances has the lowest boiling point?
Which of the following gases could be collected by downward displacement of air?
H\(_2\)SO\(_4\)
C\(_2\)H\(_5\)OH → C\(_2\)H\(_4\)
170\(^0\)C
The reaction above illustrates
The IUPAC Nomenclature of CH\(_3\)CH\(_2\)C(CH\(_3\))=C(CH\(_3\))\(_2\) for the compound is
Esterification reaction is analogous to
When the subsidiary quantum numbers (l) equals 1, the shape of the orbital is
What is the vapour density of 560cm\(^3\) of a gas that weighs 0.4g at s.t.p?
[Molar Volume of gas at s.t.p = 22.4 dm\(^3\) ]
Boyle's law can be expressed mathematically as
The percentage of carbon(IV) oxide in air is
The shape of ammonia molecule is
The IUPAC name of the compound above is
Heat of solution involves two steps that is accompanied by heat change. The energies involved in this steps are