Ammonia Acid Worksheet With Answers Page 4
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49Q4.
(a)
The equation for the reaction that takes place when ammonium chloride is heated is:
NH
Cl(s)
NH
(g)
+
HCl (g)
4
3
ammonium chloride
ammonia
hydrogen chloride
The diagram shows how a teacher demonstrated this reaction. The demonstration was
carried out in a fume cupboard.
(i)
Apart from the gases normally in the atmosphere, which two gases would be
at X?
..................................................... and ...........................................................
(1)
(ii)
Name the white solid that has formed at Y.
..........................................................................................................................
(1)
(iii)
Why was the demonstration carried out in a fume cupboard?
..........................................................................................................................
..........................................................................................................................
(1)
(iv)
Complete the four spaces in the passage.
The chemical formula of ammonia is NH
. This shows that there is one atom of
3
.......................................... and three atoms of .................................. in each
......................................... of ammonia. These atoms are joined by bonds that
are formed by sharing pairs of electrons. This type of bond is called
a ............................... bond.
(4)
Page 4 of 49
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