C12 Sulfur
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Lesduur is: 40 minOnderdelen in deze les
Slide 1 - Tekstslide
Slide 2 - Tekstslide
Slide 3 - Tekstslide
Slide 4 - Tekstslide
Fertilisers are mixtures of different compounds used to increase the growth of crops. Which pair of substances contains the 3 essential elements for plants growth?
A
ammonium nitrate and calcium phosphate
B
ammonium nitrate and potassium chloride
C
ammonium phosphate and potassium chloride
D
potassium nitrate and calcium carbonate
Slide 5 - Quizvraag
Which method can be used to obtain ammonia from ammonium sulfate?
A
Heat it with an acid
B
Heat it with an alkali
C
Heat it with an oxidising agent
D
Heat it with a reducing agent
Slide 6 - Quizvraag
A
X = hydrochloric acid
Y = ammonia
B
X = hydrochloric acid
Y = chlorine
C
X = sodium hydroxide
Y = ammonia
D
X = sodium hydroxide
Y = chlorine
Slide 7 - Quizvraag
Which element is not added in a firtiliser?
A
aluminium
B
nitrogen
C
phosphorus
D
potassium
Slide 8 - Quizvraag
Slide 9 - Tekstslide
Slide 10 - Tekstslide
Look up some uses of sulfur
