人教版初中化学 (三年制 )第五十三页所给器材吹的氢气泡小 ,容易破裂 ,不易起飞 ,实验成功率不高 ,而且对吹泡液的要求较高 (配制质量好、浓度适中、粘度要高 )。这给农村偏远地区做好此实验带来许多困难。教材所给器材之所以吹氢气泡小 ,容易破裂 ,不易起飞。笔者认为有这几 PEP Junior Chemistry (three-year system) The hydrogen bubbles blown on the equipment provided on the 53rd page are small, easy to break, and difficult to take off. The experimental success rate is not high, and the requirement for the blowing liquid is high (the preparation quality is good, Moderate concentration and high viscosity). This has brought many difficulties to this remote experiment in rural areas. The teaching materials give the equipment hydrogen bubbles that are small, easy to break, and difficult to take off. I think there are these