Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

2728

how require to select dissolution media? what is discrimination?

789

What is the general statement regarding the temperature of water in oceanic depths?

792

Explain respiratory quotient?

1126

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.

1429

What is the rate of species and how does this relate to finding transitional species?

915

What is the unit of conductance?

1059

What is protein - according to chemistry?

1189

Why does a glass filled with water shatter when you run your finger along the rim of the glass?

1012

how require to fix the linearity and accuracy cincentration range?

1669

Explain why some 2:1 clay minerals have high shrink-swell capacity while 1:1 clay minerals do not. : soil science

1129

What do you mean by loam soil?

829

how will mapping between testcases and requirments(tracebility matrix) in manual testing without using any bug tracking tool

2131

You have been allotted a territory and given a list of physicians. How would you start calling?

1117

Will my child be considered for a heart and/or lung transplant?

933