Physics
Purity of a metal can be determined with the help of

Pascal's law
Boyle's law
Archimedes principle
Conservation of mass principle

ANSWER DOWNLOAD EXAMIANS APP

Physics
Which of the following is not a property of heavy water ?

It produces corrosion
Boiling point of heavy water is lower than that or ordinary water
Freezing point of heavy water is higher than that of ordinary water
Density of heavy water is higher than that of ordinary water

ANSWER DOWNLOAD EXAMIANS APP