Which of the following molecules has two other positional isomers?
CH3CH2Br
CH3CHBrCH3
CBr2F2
CH2CHBrCH2Br
Correct answer is B
Positional isomers of C\(_3\)H\(_7\)Br : 1- bromo propane and 2- bromo propane
A cracking process in petroleum refining can be represented by
heptane to heptene
heptane to 3-methylhexane
heptane to propene and butane
heptane to 2,3,3-trimethybutane
Correct answer is C
No explanation has been provided for this answer.
One of the products of the thermal decomposition of sodium trioxonitrate (V) is?
sodium
nitrogen
sodium dioxonitrate (III)
sodium oxide
Correct answer is C
No explanation has been provided for this answer.
In the electrolytic extraction of aluminum, the function of the molten cryolite is to
precipitate aluminium hdroxide
lower the melting point of aluminium oxide
act as a raw materials
act as a solvent
Correct answer is B
No explanation has been provided for this answer.
The type of iron that is best suited for welding, making nails, chains and iron rods is?
pig iron
wrought iron
cast iron
iron pyrites
Correct answer is B
uses of wrought iron