A: Sodium silicate (similar to sodium hydroxide) is soluble in h2o. When it can be exposed to chilly h2o, it kinds an extremely distinct solution. When the solution is subjected to scorching h2o, it creates a white crystalline solid, turning the answer into a colorless and tasteless gelatin. 硫酸钠法先将硫酸�?芒硝)和煤粉均匀混合，再加入硅砂，混合均匀后快速加入炉内进行反应，反应完成后... https://www.facebook.com/permalink.php?story_fbid=pfbid0E1nrAmGW26XpcCz7VcT5oSPkye7bRtVQiybmg2WkWgNSYmBjTNxCyMy1C7T3oWyFl&id=61569401052276