Which of the following is a primary constituent of crude ...
Which of the following is a primary constituent of crude oil?
Pentane
Ethanol
Heptane
Methane
Correct answer is D
Crude oil is a mixture of hydrocarbons of various chain lengths. methane is one of the primary constituents of crude oil, and it belongs to the group of alkanes.
The most important use of hydrogen is in the ...
Phosphorus is stored under water to prevent it from ...
In the reaction: M + N → P ΔH = +Q kJ Which of the following would increase the conc...
Species that occur in a reaction pathway but not in the overall reaction are known as ...
The following substances are heavy chemicals except ...
Which of the following statements is true for strong electrolytes? ...