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The 5\(^{th}\) member of an alkyne series is
The reaction above illustrated is
After breathing in a test tube that contains acidified K\(_2\)Cr\(_2\)O\(_7\), a man noticed a change in the colour of the acidified K\(_2\)Cr\(_2\)O\(_7\) from orange to green. This suggests the presence of
Find the hydrogen ion, H\(^+\) concentration and hydroxide ion, OH\(^-\) concentration in 0.06 moldm\(^{-3}\) solution of H\(_2\)SO\(_4\).
Bronze is used in making
In welding and cutting of metals, the organic gas commonly used in the heating process is
Freons pollution in the air are released from
What is the product obtained at the anode in the electrolysis of concentrated sodium chloride using graphite electrode?
How many molecules are there in 4.0 moles of glucose?
[Avogadro's number = 6.02 x 10\(^{23}\)]
In the equation above, the expression for the equilibrium constant, k\(_c\) is
The fractions of crude oil are best separated by
The above structure is
The disintegration of radioactive phosphorus to silicon follows the first order kinetics with rate constant k\(_1\) = 3.85 x 10\(^{-3}\). Determine the half life of phosphorus.
An importance of solubility is that it
A table in which metals are arranged in series according to their comparative tendencies to give up their valence electrons is
Electron configuration of Chlorine atom is
The most suitable indicator to be used when reacting ethanedioic acid with potassium hydroxide is
The compound responsible for the pleasant scent of fruits and perfumes belongs to the class of
Na\(_2\)X ⇌ 2Na\(^+\) + X\(^{2-}\)
The bond between Na and X is likely to be
The compound in which the oxidation state of nitrogen is + 3 is