Cases of word usage

1) a kind of colourless gas with a strong smell, used to make explosives, fertilizers etc (ammonia)

2) a bag filled with air or with gas lighter than air (balloon)

3) (to attack (a place) etc with) a hollow metal container filled either with explosive or with tear gas etc (bomb)

4) the substance that remains when gas is being taken out of coal, used as a fuel (coke)

5) (to cause a liquid, gas etc) to increase in density or strength, to become thicker (condense)

6) the convening of heat from one part of a liquid or gas to another by the movement of heated substances (convection)

7) to make (a tyre, balloon etc) smaller by letting out air or gas (deflate)

8) to change (a liquid) to gas by heating, and then cool the gas and collect drops of liquid (distill)

9) (of a liquid) to produce bubbles of gas (effervesce)

10) (to make) a hissing sound (as when gas escapes from a liquid) (fizz)