Which type of bond connects the hydrogen and oxygen atoms within a water molecule?

The amount of usable energy,which is available for doing work,when the temperature and pressure are uniform throughout the system is called

The yellowish color of cow's milk is due to the presence of which of the following?

Find out a qualitative test for proteins,fats and oils,amino acids and test any fruit juice,saliva,sweat and urine for them.

Which property of water allows it to absorb or lose heat from the surrounding environment without undergoing a significant change in its temperature?

Identify the correct statements about biomolecules.