What are filters? Why are they used?

1097

Mention a few important criteria for satisfactory colorimetric analysis.

1540

State beer-lambert’s law.

1145

Why is the color of the indicator drop remains the same at the end point?

1230

How is the viscosity of liquid related to its mobility?

1438

Why is mercuric chloride added?

1066

Why is ammonia added? Why is that same amount of ammonia added?

991

What is weak acid?

964

How is librated iodine estimated?

1093

Which wavelengths are visible to human eye?

1236

What are the products formed after cod analysis?

1335

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

How does the viscosity vary with temperature?

1086

How is hardness of water caused?

1132

Why is acetone used for cleaning viscometer?

1369