... 2NH
3
+ 2H
2
O
The ammonia may also be absorbed in saturated aqueous boric
acid solution (this contains about 4 per cent, of boric acid) :
NH3+H3BO3 -^ NH+
4
+H
2
BO
3
-
ELEMENTARY PRACTICAL
ORGANIC ... involved.
652 Elementary Practical Organic Chemistry [XIV,
Wt ofN atNTPFxPx 2 8-0 16
wt. 01 IN, at
ivi.r.
-
(1
22
.
415
F X P X
1-2 502
_
~ (1 + xT) x 760 X...
... =
3 red + yellow =
4 white + red -
5 red + green =
2 PRONUNCIATION vowe! sounds
a Circle the word with a different vowel sound.
b Underline the stressed syllable in these words.
1 beautiful 3 ... ever
never -
eat fruit and
vegetables
do sport or
exercise
be relaxed
drink alcohol
be ill
Steffi
-
Robert
You
1 Steffi sometimes eats fruit and vegetables.
2 She sport or exercise....