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What process would coal undergo to give coal gas, coal tar, ammoniacal liquor and coke?
What are the possible oxidation numbers of an element if its atomic number is 17?
Which of the gas laws does this graph illustrate?
The best treatment for a student who accidentally poured conc tetraoxosulphate(vi) on his skin in the laboratory is to wash his skin with?
8g of CH\(_4\) occupies 11.2 at S.T.P. What volume would 22g of CH\(_3\)CH\(_2\)CH\(_3\) occupy under the same condition?
An example of a polysaccharide is?
Duralumin consists of aluminum, copper?
Which of the following can be obtained by fractional distillation?
The electronic configuration of an element is 1S\(^2\) 2S\(^2\) 2P\(^6\) 3S\(^2\) 3P\(^3\). How many unpaired electrons are there in the element?
Kipps apparatus can be used to prepare?
The group to which elements belong in the periodic table is determined by the number?
Which of the following methods is NOT used for the separation of mixtures?
The method used to collect gas in the laboratory depends on its?
I. boiling point II. density III. smell IV. solubility in water
The number of electrons in the 3d orbital of \(_24\)Cr is
The atoms of \(^{64}_{29}\)Cu and \(^{65}_{30}\)Zn have the same number of?
One of the deductions from Rutherford's alpha particle scattering experiment is that?
Which of the following apparatus is NOT used in volumetric analysis?
in Boyle's law?
Which of the following substances can be classified as heavy chemicals?
Consider the following reaction represented by the following equation:
C\(_2\)H\(_2\) \(^{H_2}_{→}\) X \(^{H_2}_{→}\) Y. X and Y respectively are?