One mole of a hydrocarbon contains 48 g of carbon. If it ...
One mole of a hydrocarbon contains 48 g of carbon. If it vapour density is 28, the hydrocarbon is?
an alkane
an alkene
an alkyne
aromatic (C = 12, H = 1)
Correct answer is B
No explanation has been provided for this answer.
The elements in the periodic table are listed in order of increasing ...
Safety matches contain sulphur and the following except? ...
In electrovalency, the oxidation number of the participating metal is always ...
What mass of sodium carbonate solution is in 500 cm3 of 0.1 molar sodium carbonate solution? (Na ...
A gas that is not associated with global warming is ...
How many faraday of electricity is required to produce 0.25 mole of copper? ...
Calculate the volume of 0.5 mol dm-3 H2So4 that is neutralized by 25 cm3 of 0.1 mol dm-3 NaOH? ...