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In the extraction of iron, hot air is introduced into the blast furnace through?
Wrought iron is obtained by heating cast iron in a furnace with?
Electrons enter into orbitals in order of increasing energy as exemplified by?
H\(^+\) + OH\(^-\) → H\(_2\)O
The equation above illustrates
Which of the following best represent solid gas mixture?
When heat is absorbed during a chemical reaction, the reaction is said to be
The dehydration of CH\(_3\)CH\(_2\)CH\(_2\)CH\(_2\)OH will give?
The pollutant usually presents in a city which generates its electricity from coal?
The reactions below represent neutralization reaction, in which of them is the value of ΔH highest?
If the volume of a given mass of a gas at 0ºc is 29.5cm\(^3\). What will be the volume of the gas at 15ºc, given that the pressure remains constant.
In which of the following will hydrogen form ionic compound?
2H\(_2\) + O\(_2\) → 2H\(_2\)O
From the equation above, calculate the volume of unreacted oxygen gas if a mixture of 50cm\(^3\) of hydroden and 75cm\(^3\) of oxygen are involved
An organic compound contains 69% carbon, 15.3% hydrogen and 30.7% oxygen. Calculate the the empirical formula [C=12, H = 1, O = 16]
Crude petroleum is converted to useful products by the process of?
An organic compound which decolorizes bromine water is likely to be?
In order to electroplate spoon with silver, the arrangement of the electrolytic cell is?
A colored gas that is known to be poisonous and can readily damage the mucous lining of the lungs is?
An organic functional group which can likely decolorize ammoniacal silver nitrate is?
Zn + 2HCL → ZnCl\(_2\) + H\(_2\)
What happens to zinc in the above reaction?
N\(_2\)O\(_4\) ⇔ 2NO\(_2\) (Δ = -ve)
From the reaction above, which of these conditions would produce the highest equilibrium yield for N\(_2\)O\(_4\)?