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1) �^�Y. ��ú��ܽ��V,�V��120 ��濾2 h��3 h ,��ɲ�ĥ��120 Ŀ�Y��^�Y,ȡ�Y��ԭ��.

2) ��. ԭ��,��X�͚��c��10 ��4 ��15 ��ϱȻ�Ͼ��.

3) ��. ��R��t��, �ضȞ�800 �桫860 ��,��1 h��2 h.

4) ��ȡ. �ڔ��l��,�ѷ��Ͷ��ȥ�x��ˮ��(ˮ��H2O/ Na2O Ħ��Ȟ�30) ,Ȼ��50 �桫55 ��,��2 h ,ȡҺ��A��,�a�ӉA��A�Ȟ�1 mol/ dm3 .

5) ��. ��ȡ��90 �桫95 ��,�ڔ��l��¾��4 h��6 h.

6) ��Ʒ. ��V��^�Vϴ��ֱ��p H = 11 ��,��ɼ��ɵð�ɫ��ĩ��ӺY.

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