2. The colourful wearings together with the white coloured wearings.
a) should have been washed
wash
b) shouldn't be washed
c) could be washed
d) should not wash
122
316
Ответы на вопрос:
1) na2co3 + 2hcl = 2nacl + h2o + co2
2) 2al + 3zn(no3)2 = 2al(no3)3 + 3zn
3) agno3 + nacl = agcl (осадок) + nano3
4) 3naoh + alcl3 = 3nacl + al(oh)3 (осадок)
5) cacl2 + h2so4 = caso4 (осадок) + 2hcl
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