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“……至于污渍,留给××搞定。××洗衣粉,去除99种污渍……”电视上洗衣粉的广告铺天盖地,洗衣粉真的有那么神奇吗?我决定动手测试一下。实验问题一洗衣粉真的能去除这么多种污渍吗?我买了一包洗衣粉,包装袋正面写着:去除99种污渍,反面还把这99种污渍全部列出来了!我找来了一个大盆子、五个透明塑料杯和一件旧的白色衣服,然后往大盆子里倒了约1 000毫升水和25克洗衣粉,用筷子将洗衣粉搅拌均匀后,我在五个塑料杯中倒入等量的洗衣粉溶液。接着我从白色衣服上裁剪下五块大小一致的布,在上面画上一
“... As for the stains, left to × × get ×× washing powder, remove 99 kinds of stains ... ...” TV ads on the washing powder overwhelming, washing powder really so amazing? I decided to hands-on test. Experiment questions A detergent really can remove so many stains? I bought a bag of detergent, bag front reads: Remove 99 kinds of stains, the negative also put all these 99 kinds of stains out! I got it A large basin, five transparent plastic cups and an old white clothes, and then poured about 1,000 milliliters of water and 25 grams of washing powder into the big bowl. After mixing the washing powder with chopsticks, I was in five plastic cups In the same amount of detergent solution. Then I cut five white cloths of the same size from the white clothes and painted one on top