Q1. Name the method of separation that you will apply for separation of the following mixtures? (a) Amnonium chloride from a powdered mixture of sodium chloride and Ammonium chloride.

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases. as altitude increases, air density increases. air pressure and density are lowest at sea level. denser air exerts more pressure than less dense air.

If you add 10ml of hot water to 10ml of cold water and the change in tempature 8°c calculate how much energy is gained by the cold water

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?