Determination of reaction rate by measuring the volume or pressure of the gas evolved Student activity Play

Determination of the acidic properties of ethanol Animation Play

Determining the molecular formula Animation Play

Determining the relative molecular mass Animation Play

Dichromate volcano Animation Play

Different chemical reactions Slideshow Play

Diffusion Student activity Play

Diffusion Animation Play

Diffusion Whiteboard exercise Play

Diffusion Student activity Play

Diffusion Animation Play

Diffusion and dissolving Class activity Play

Diffusion and dissolving Whiteboard presentation Play

Diffusion and pressure Student activity Play

Diffusion and pressure - statements Whiteboard exercise Play

Diffusion and smelling food Animation Play

Diffusion in different physical states Student activity Play

Diffusion in different physical states Whiteboard exercise Play

Discovery of elementary particles Student activity Play

Discovery of noble gases Animation Play

Discovery of proton Animation Play

Displacement of hydrogen from acids by metals Animation Play

Displacement reactions Whiteboard exercise Play

Displacement reactions Whiteboard presentation Play

Displacement reactions Student activity Play