Everything Science Grade 10

(Marvins-Underground-K-12) #1

CHAPTER 25. EXERCISE SOLUTIONS 25.6


Chemical bonding ESAII


End of chapter exercises ESAIJ


2. B 3. B

4.
5. (a) 1

(b) 3
(c)hydrogen and nitrogen

6.

K+ Ca2+ NH+ 4
OH− KOH Ca(OH) 2 NH 4 OH
O^2 − K 2 O CaO (NH 4 ) 2 O
NO− 3 KNO 3 Ca(NO 3 ) 2 NH 4 NO 3
PO^34 − K 3 PO 4 Ca 3 (PO 4 ) 2 (NH 4 ) 3 PO 4

7. (a)potassium (K+) dichro-
mate (Cr 2 O^27 −)
(b)K 2 Cr 2 O 7

Transverse pulses ESAIK


End of chapter exercises ESAIL


1.

2. 15 m 3. 0 , 3 m·s−^14. 0 , 05 s

Chemistry: Chemical systems 487
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