A few days ago
tia

You have been asked to determine which of 2 chemicals, WC1 and WC2, are the most effective in cleaning windows

Describe the experiment you would use to determine which is the best chemical and if either is better than plain water.

Top 1 Answers
A few days ago
Anonymous

Favorite Answer

My grandmother used vinigar and water solution. Wipe with old newspapers. This works!
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