Astrong base (caustic or alkali) is added to oils to test for: b. entrained air a)- alkalinity b)- acidity c)- contamination. d)- stability

A strong base(caustic or alkali) is added to oils test for stability

option (d) is correct

Explanation:

Formation of emulsion involves mixing together of measured volumes of specific concentrations of crude oil and sodium hydroxide (NaOH) solution. the viscosity of the emulsion and its type is determined and then this emulsion is made to rest for a long time in order to determine its stability.

answer:

can you answer my question?

explanation:

the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true?

a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of

5

9

degree celsius.

a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.

a temperature increase of

5

9

degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.

a) i only

b) ii only

c) iii only

d) i and ii only