Does domestic/household used kerosene oil which is available in blue color (In India) can change its color over the due course of time say 8-10 years if keeping in plastic bottle? If so, in which color it will be turned to change, yellow or transparent or any other color. Please provide me the reply with strong technical approach. Since it has been asked during an interview. Please reply fast. I will be thankful to you if anyone can provide the supporting journals/write-ups/reference to favour of response.

1430

What is si unit of viscosity-coefficient?

1121

Why is ammonium hydroxide added to the brass solution?

1301

Which is the best conductor of electricity?

1038

What are the advantages of conductometric titration over visual or potentiometric titration?

1118

What are the electrodes used in potentiometer titration?

1022

Why is the role of glycerol & naoh?

1073

What is chemical oxygen demand?

1059

Which wavelengths are visible to human eye?

1236

Mention a few advantages of photoelectric colorimetric determination.

1383

Why is estimation of copper done at 620 nm wave length?

1439

What is kentchin? Is it real?

1052

What is mole?

1080

Cholesterol is a compound suspected of causing hardening of the arteries. The formula of cholesterol is C27H46O. a. A sample of cholesterol is isolated from the arterial lining of a 60-year-old American male. What is the formula of this compound? b. Cholesterol is extracted from a chicken’s egg. What is the formula of this compound?

3178

What is the bluish white precipitate formed after adding ammonia solution?

1100