The use of sulphur to vulcanize rubber is mad to make it<...
The use of sulphur to vulcanize rubber is mad to make it
blacker
cheaper
more elastic
tougher
softer
Correct answer is D
No explanation has been provided for this answer.
Given that for the reaction. N2(g) + 3H2(g) ⇌ 2NH3(g) ∆H = -92kJ. What is the enthalpy of format...
A gaseous metallic chloride MCl consists of 20.22% of M by mass. The formula of the chloride is? ...
On exposing palm wine to air for some days, it becomes sour owing to the conversion of ...
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To obtain pure carbon(ii)oxide from its mixture with carbon(iv)oxide, the mixture should be? ...
In the process of silver-plating a metal M, the metal M is the? ...
The enzyme used in the hydrolysis of starch to dextrin and maltose is? ...