Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.
How many structural isomers can be drawn for the non-cyclic alkanol with molecular formula C 4H10O?
1
2
3
4
Correct answer is D
No explanation has been provided for this answer.
carbon (IV) oxide and alkyne
carbon (ll) oxide and alkene
hydrogen gas and alkene
hydrogen gas and alkane
Correct answer is C
No explanation has been provided for this answer.
alkanone
alkane
alkene
alkyne
Correct answer is D
CxH6
∴ CxH6 = 54
12x + 6 = 54
12x = 54 - 6
12x = 48
x = (48)/(12)
x = 4
We have CxH6 butyne
A formular of alkyne
Alloys are often used in preference to pure metals because?
metals are too hard
merals are ductile
metallic properties are improve in alloys
alloys are a mixture of metals
Correct answer is C
No explanation has been provided for this answer.
A common characteristic shared by iron and aluminium is that both?
are extracted by reduction methods
form only basic oxides
show oxidation states of +2 and +3
form soluble hydroxides
Correct answer is A
No explanation has been provided for this answer.